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JOURNAL REFERENCES J, S. Aabye, Kem. Maanedsblad Nord. Handeleblad Kem, Ind. 10, 22-8 (1929). White paints. Durability as regards weather examd. for Kronos Ti white Standard A. Abegg and Auerbach, Handbuch der Anorganischen Chemie, Leipzig 1909 Ti p, 396-461, Vol. III. Part II. Literature p. 456 (307 references). Colloidal titanic acid, p. 883. R. Akerraan, Iron, j>, 450 (l875) Relations of titanium to iron. E. T. Allen, Jour. Am. Chem. 80c., XXV, 425 (1903). Precipitation anjd separation by weak organic bases. Separation of Ti. from Fe H. Amsel, Allgemeine Malerzeitung Nr. 51> 1925* Products of Titan Company* H. Amsel, Die farb. Stadt (1927) 74-76* Titanium White. R. J. Anderson, Bur. of Mines, Repts. of Investigation No.2406, 12 pp. (1922). Titanium. General article with bibliography. R. J. Anderson, J, Franklin Inst. 184. 469-506, 637-650, 885-900 (1917). The metallurgy of titanium. Mostly on metallic Ti and its alloy. Eibliography. R. J. Anderson, Chem. 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Italian titanium :white. - 69 - DUP050026493 F* E. Bachman, Bull, Amer. Inst. Mining Eng. (1919) J009-17* Titanium-containjing- iron sand in New Zealand. E. Bahlsen,; Stahl u. Eieen, 22, 326-30 (1902); Ueber Titaneisent Fi Bachran,, Dissertation (Berlin, 1911). PP. 1-^7 BeitrEge zur Kenntnis des Titans. Copy in Ti file - Thornton. J. W, Bain, J. Amer. Chem, Soc. 2, 1073-1091 (1903). The estimation of titanium. Separation from iron, 'aluminum, and phosphorous. Hilger and Haas use HaS04 (1;12) and HF to attack the"ore. Ledebur red. ore with H and boils with dil. H*SO4 (1;40). Levy gives manner in which ppt, Ti03 influenced by free acid present, D. Balareff, J. prakt. Chem. 102, 2S3-6 (1921). The compilation pf the molecular volumes of the oxides in the periodic system. Ti03 included. T. R. Ball and G. McP, Smith., J, Am Chem. Soc. 36 lS3S-h3 (1914) The volumetric estimation of titanium by means of ferric chloride. 0, L. Barnebey and R, I. Ishan, J. Am. Chem. Soc. 32. 957-62 (1910). Rapid and accurate method for the determination of titanium,. In rutile" and iron ores. H8S04 and HF. used. J. Barnes, J. Sec. Chem. Ind. 15, 15-I0. The use of titanium compounds as mordants and pigmentB, J, Barnes,, J, Soc. Dyers and Colourists Vj, 59-b2 0 919); Rev, Gen. Mat. CoI,,2j[, 101 (1919); Rs j , Chia. Ind. 2S; 277 (1919). Properties and uses of some titanium compounds, J. Barnes, H. Spence and P. Spence & Sons., London Mng. Journ.. 82, 65 (1907). Titanium salts. E. P, Barrett, Mining Sci. Press 117. 729-JO (191S), A rapid method f;or determining titanium and chromium in beach sand. - 70 - DUP0500 L. E, Barton, Paint, Oil and Chem. Rev. 25. No. 9, 10-1 (1923). The determination of titanic oxide in pigments with suggestions for'the analysis of mixed pigments! L. E. Barton. Mineral Ind. 2%, 7l6~9 (19l6) Titanium. Uses ar5"technology of compounds. L, E. Barton, Mineral Ind. 26, 694-7 (1917). Titanium. L, E. Barton. Mineral Ind. 2J_, 710-4 (1918). Titanium and Zirconium. Ti and Zr industries. L, E. Barton, Proc. A. 3. T. M. 24, I, 443-451 (1924). Methods of analysis and reports of collaborators on the analysis of titanium pigments. Analysts reporting; W. J. Brown of National Lead, L, E, Barton, F Kenney of Central Testing Dept., N. Y., and U,.S. Bureau of Standards. C. Baskerville, J, Am, Chem. Soc. l6, 427 (1894). Separation of titanium from iron. Chlorides with S03. C, Baskerville, J, Amer, Chem, Soc. 21, 1099-1101 (1&99). Universal distribution of titanium. C. Baskervil.Lu, J, Soc. Chem. Ind. 1%, 419-20 (1900). The aiaj.ysia of titanium containing iron ores, C. Baskerville, Eng..Min. J. Z, 10-4 (1909). The r3.rmineral s;.. Titanium. List of minerals contg. Ti and description of the most prominent. Uses of titanium. H. L, Beakas, J.nd. Eng. Chem. 20, 732-34 (1921.' Settling of pigments in house paints. Titanium white included in study. J, Beckenkamp, Z, Xryst. 42_, 448-74. On the dioxides pf the elements of the fourth group of the periodic system. Crystallographio data. G. Becker, Zeitschr. JCryst. Min., %$, 317-319 (1903). Aluminous and titaniferous augites. - 71 - DUP050026495 I. Bellucei and L. Grasjsi., Atti. accad. Lincei. 22 I JO-4. The use of cupfejrron In quantitative analysis. Dein. of Ti in solutions. : K. F, Beloglazov, Contributions to the study of the Natural Resources of the U. S. S. R. No. 5& 20-3 (1926). Report of the titanium commission on the experimental results in obtaining titanium tetrachloride. From Ti ore. R. C. Benner, Mining Sci. Press. 101. 576--7* Rapid electrolytic method of anaylsis. Used to separate Fe from Ti. A. Benrath, Z, Wise, Phot. l4, 217-22 (1915). Photochemical reactions of compounds of the rarer elements. Ti03, Ti sulfate and tetrachloride in ale. or (C00H)s slowly turn black or brown, as simple or complex salts are formed. A. Benrath and A, Obladen, 2. wise. Phot. 22, 65-72 (1922). The photochemical reduction of titanium salts. G. Berg, Z. anorg. Chem,., Ifj., 323-30 (1397). Compound of titanic acid with malic acid. A. Berge, Sprechsaal 46;, 206-S (1913). Titanic acid in under-glaze colors. Dark gray or black tones; olive-green, brown and yellow shades. P. H, Berggreen, Chem. Eng. 21, 163-9 (1915)* Titanium and titaniferous ores. . Revie >f researches on red. of these ores. P, Berthier, Ann, mines, (3) 3.4-1-3 (1333)# Ann Chim. Phys. (3) I, 74-1 (1S43). Fer titane de Baltimore, en Maryland. W. Bettel, Chem. News 23, 93 (1373). Modification ofHForbes* method of estimating titanic acid. F. Beyschalag, J, H. L. Vogt and P. Krusch (translated by S. J. Txuscott) Macmillan and Co., Ltd. (1914-). Two volumes; page numbers continuous. The deposits of the useful minerals and rooks. ~ 72 ~ DUP050CI26496 F. v. Bichoweky, C. Met. Eng. 22., 1098-1101 (1923) Nitrides as a possible way for preparing cyanides, Ti nitride used. F. v. Bichowsky, Chem. Met. Eng. J3, 749-50 (1926), Putting titanlug nitride into commercial production, tfi-N, from ilmertite. Powder applied to surface of molds and cores gives high resistance to molten metal. F. v, Bichowsky, Ind. Eng. Chem. 21, 106l-3 (1929)* Titanium white, A new metSod for its preparation. Nit ride to M white by HNOa and catalysts. ~ M. Billy, Compt. rend. 155, 777-9 (1912). Simple method for the preparation of inorganic oxides. Red. of TiOa to lower oxides. M, Billy, Compt. rend. 172. l4ll-2 (1921). Titanium peroxidje. Pertitanates. M, Billy, Ann. Chim. (9) 5-54 (1921). Titanium. >- Review of literature and exptl. study of problem of prep, pure TI and its opds. -"Kt* i- M. Billy, Compt. rend. .186. 76O-62 (1928). The structure of titanium peroxide. P. Binder, Bull. Soc. Ind. Mulhouse 89, 196-8 (1923). Use of titanium jpxide for printing fabrics. F. Binder, Chimie et industrie 11, Special No., 551-6 (May, 1924). Titanium oxide. I Its manufacture and properties as a pigment. Bingham, Master Painter & Dec. 2, IS (1924). Titanox paints, their good and bad points. F, Bischoff and H. Adkins, J, Am. Chem. Soc, 46, 256-9 (1924). Alkyl titanates.. Tetraethyl-, tetiraisopropyl-, tetrabutyl-, and tetramethyl- derivatives obtained. C. W. Blom8trand, Ber., 12, 1721-3 (1879). Titanates from ^tealand. Blondel, Bull, Soc. Chi m. (1) 21, 262-264 (1899), Some compounds 0f titanic' acid and sulfuric acid. 4- 1 --4 KM 1 1 DUP0500 J, Bluman, Chem. News ;T. 82, 181 (1901). Norwegian llmenlite. F. Book and L. Moser, iMonats* Chem. 22 1407-1429 (1912); 3i 1825-49 (1913). Action of the silent electric discharge on a mixture of hydrogen and titanium tetrachloride vapor, X and ifT 1 Lecoq de BoistancLran, Chem. News 48, l64 (1883). Separation of gjallium from titanium. W. Boiler, Dissertation (Zurich, 1915) PP. 1-53* Beltrage zur tiitrimetrischen Bestimmung des Antimon, Zinn. Titans. Eli sens', und Urans. Copy in Ti file - Thornton. 0. F. Bollnow, Z. Physi;ik. 23, 726-40, 741-59 (1925). The lattice the ory or the crystals of titanium dioxide, rutile and anatase. J* E. Booge, Paint, Oil, Chem. Rev. 86, l8b-c (1928). Recent improvements in the quality of American Lithopone. W. Borchers, Metallurgies, 246-48; Stahl & Eisen 51. 706-7 (1911) Reducing fusion, of oxidized ores in the electric furnace. Fusion of titanium iron ores. H. Bordewich, Daily Consular and Trade Reports, December 21, 1911, P- 1463. Rutile Production in Norway. F. Born, z. Elektrochem. 36, 309-II (1925). Dissociation of; some metal oxides. i0a included. K. Bornemann and H. Schirmeister, Metallurgie , 646-49 (1910). Observations 0^ the solution and precipitation of titanic acid. From cone, and dil. HaS04. K, Bornemann and H. Schirmeister, Metallurgie , 711-716, 723-30 (1910). The analysis of titaniferous substances. I-.74 - DUP050026498 P. van Bosse, Ingenieur, April 27 (1912). A sandy mineral, containing, iron and titanium. Sandy banks on the south coast of Java,Possibility of treating in Sweden due to low ooet of electric power. E. W, Boughton, Chem. Markets 2, 280-82 (1929). Titanium dioxidp - a revolutionizing factor in the pigment market, L. Bourgeois, Ann. chim. phys., (^)# 2, 433 (1883). Reproduction, par voie ignee, d'un certain nombre d^apeoes minarales appartenant aux families des iiI.ioates. des ^itanatea et des carbonates. L. Bourgeois, Jahrb. Min., 1^, 196-8 (1884). Artificial reproduction of certain silicates and tTianates. L. Bourgeois, Bull. soo. chim., (2) 46, 262 (1886). Sur des titanat^s de barium et de strontium crlstallin. F, Bourion, Oompt. rend, 154. 1229-32. Separation of iflon and titanium. Uses Cl3 and HC1. W. M. Bowron, Trans. Am. Inst. Mining Eng., 11, 159--64-! (1882-3) The practical metallurgy of tjtaniferous ores. Carbon and limestone. H. Brakken, Z. Krist. 7., 547-9 (1928). The crystal structure of titanium monoxide. H. Braidy, Industrie ohimique 14, 105-7, 242-5, 290-5, 486-91, 539-42 (1927). Titanium white. Review of manuf., properties and uses of Ti03 H* Braidy, Ind. Chim. l, 312 (1929). Titanium white. J. Brakes, Jour, Soc, Chem. Ind. 20, 23 (1901). Golorimetric Estimation of~Yitanic Acid. P. S. Brallier, Trane. Amer. Elektr. Soc. 4, (1926). The Chlorination of Metals. A. Brammall and H. F. Harwood, Mineral. Magazine 20, 27-31 (1923). The occurrence of rutile, anatase and brookite in Dartmoor. 1: - 75 - I DUP050026499 B'. Br aimer, Chemick Obzor 1_, 66-68 (1926). Titanium whiter Hi, Brenck, Z. anorg. Chem. 60, 44-6-52 (1913). Compounds of titaniumlTloxide with selenic and selenious acids." H. Britzinger and W. Schief erdecker, Z. anal. Chem, 76, 277-3 (1929). Potentjometric determination of titanium in the presence of other metals, particularly ironT Waldemar C. BrSgger, ?id.-Selsk. Skrifter, Christiania, Math.-Naturv. Kl., 1906, Ho. 6, 1-162. Columbates. tantalates. and titanates from the Norwegian Pegnaiite-Veins, - 76 - DUP050026500 B, K, Brown, Chem. Met, Eng. 25.* 427-8 (1928) Large scale titanium pigment production based on old laboratory process.' Blumenfela process. Commercial Pigments Oorp, G, H, Brown, Ceramic Age 11, 77-9 (1928) Notes on production of cream-colored, bodies. Ruti1a and fi03 with clays. ' J. Brown, J Amer. Chem. Soc. 22., 2358-66 (1917) The use of cupferrpn: I, The quantitative separation ^"zTrconium. titanium, iron, manganese, and aluminum. J. Brown and H. T, Madden, J, Amer. Chem. Soc. 42, 36 (1920) Separation of zirconium and titanium as the phosphates. W. D. Brown, Met. and Chem. Eng. 8, 616-617 (1910) Analysis of titaniferOus iron ores. P. E. Browning, Introduction to the Rarer Elements (1904) Titanium p. 58-65. P. E, Browning, G. S. SOmpson, and L. E. Porter, Am. J. Sci. 42, 106-1 (1916) On the qualitative separation and detection (1) of tellurium and arsei lie and (2) of iron, thallium, zirconium and titaniui 1. Copy in Ti file - Thornton. H. D, Bruce, Bur. Standards J. Research 1_, 125 (1928) Tinting strength of pigments. Ti03 and titanox included. "T Luigi Brugnatelli, Zeit$chr. Kryst, Min,, 22, 209-219 (1904). Titanolivine from ^al Malenoo, Lombardy. The mineral offers more resistance to weathering than does the associated olivine, but the products of de composition, viz., lantigorite and a colorless diopside, are the same for bath. Analysis by G. Anelli gave; Si02 TiOa MgO FeO MnO Fe3Q_ F H30 Total 36,86 4.7 45,50 , 10.05 Trace 1.08 Trace 1,57 99.8* C. van Brunt, J, Am. Chem, Soc. 22* 1426-9 (1914) Volumetric determination of titanium and chromium by means~of "a modified} reductor. Bur. Standards, G. K. Burigess, Director, Samples submitted by Dr. Thornton, March 1923. Speotrographio anal|ysis of samples of rutile and ilmenite. S. Burman, Stahl u. Eisejn 24, 302 (1904) Titanium estimation in iron ores. - 77 - DUP050026501 r 0. H. Butcher, Ind. Chemist 20, 400-1 (1926) The microscopical character of white pigments and ex tenders. Tabulated description of white lead, zinc white, titan ium white, etc. Photomicrographs of some of these re produced. E. Cahen and W. 0. Wooton, J. B. Lippincott Co, (1920) The Mineralogy of the Rarer Metals. J. H. Calbeck and C. P. Olander, Am. Soc. Testing Materials 22, II 515-22 (1922) An apolication of the Pfund colorimeter to the determina tion of tinting strength of white pigments, Canadian Mining Journal, Canadium titanium in 1927* Vol. 49, p. 788 (1928). T. Carnelly and J. Walker, J. Chem. Soc., 51* 59 (1888) The dehydration of. metallic hydroxides by heat, with special reference to the polymerization of the oxides, and to the periodic law. TiOs included. C. W. Carstens, Z. Krist. , 260-78 (1928) The behavior of titanium in the titanium-bearing slags (with special reference to titanium monoxidej T Occurs' as "deoxidized11 rutile or as fulvite. G. Carteret et Devaux, L'age de fer, %6, 670-2 (1920) Titanium - its method of preparation and industrial applications. M. Cartaret, Bull. Soc. Chen., 2., 207 (1921) 35., 19 (1924) Oxychloride of titpniun. It. R. Catalano, Anales Soc. quin. Argentina, 6, 35, S3 (19IS) Chenioal Study of a Titaniun Mineral from the Sierra del gle__fle galo (San Juan), C. Catlett, Econ. Geol., g, 79^-7 (1907) Occurrence of Rutile in Virginia. A. Cavazzi, Ann. Chin, applicata, 12, 105-11 (1919) Quantitative determination of titaniun in' some Italian pozgudlanas. Chemical & Pigment Co., American Paint Journ., JJJ., 25 (1929) Tltanolith. a titanium llthopone. Christensen, Schwartz & Co. and A. Ebel., Farben-Zeit., 35. 85-87 (1929) Titanium white. -- 78 -- DUP050026502 A* Christy and R. T* Birds', Nature 122, 205 (1928) 3&g_ titg.niu p g^iae.lands*. I. Oioohina, Bui. Soc.. Chiu. Roia&nia, Z> 28-9 (1925) Zt. Anal. Chen. JX, 40-46 (1928) Pete ruination of tl^aniup in ferrgtjtaniun.. F. W. Clarke, 0. 8. Geol. Survey Bull. 6^, 343 (1920.) Titaniun.Minerals, Data of Geochemistry. A. Classen. B.r., 21. 370-2, 1519 (1888) Titan-inn 5 v i.o;cide . A. Classen, Bei. ;y., 372-75 (1888) Quant it a'1'1 n separation of titanium from iron, C. Coffignier, Oruleurs et Vernis, (I92I), Paris., 0. Coffignier. Rev. Chin. Ind., 20, 101-5 (1921) Titani'.v.} white.' C. COffigniar, Chinie et Industrie, 851.-81(1922) The manufacture and.properties, of titanium white. W. H. Coghill. Bur. Mines. Repts. Investigations Nos., 2867, 4 pp. (1928). Titanium in bauxite ores and sludges^ E. Cohen, Jahxb. f. Ifin. 1 Ken.188-87 (1884). Separation of alumina, ferric oaide and titanio oxide. W. T. Cooke, Trans. Proo. Roy. Soo. ,8. Australia, 40. 267 (1917) Chemical Notes on D^vidite. T. Crook and G. S. Blake, Nineralog. Mag., ,15, 271-84 (1910); 16, 224 (1912). On Carnotitq and an Associated Mineral Complex from South Australia. Struverite from the Federated Malay States. C. R. Orynble, J. Chen. Soo. 101. 266-73 (1912) The relation between the absorption spectra of Metallic ions eM. their, vglengy^ W. T. Daugherty, Economic and Trade Note No. 631Gernans champion titanium colors in lieu of white leadi Blend of TiOa and ZnO generally employed. Titanium brown and grey used as rust protector on iron. Promises to be competitor of lithopone in linoleum, gutta percha and rubber goods industries. Low pp,gr. favors its cheap transportation. --. 7/9 DUP050026503 W. T. Daugherty, World Trade Notes, 3, 6 {1929). No. 37> Sept. 17; Cellulose, February 1930, page 14. Production of titanium white discontinued In Norway^ Plant of Titan Co. A. S. at Freaericksstad, Norway, and of titaniun white department of Deutsche Gasgluhlicht - A.-G. at Cologne, Germany closed down on account of unprofitable returns. T. Denis, Can. Mining J., 32, 11 (1911) Note on titaniferoUjS iron ores and St. Urbaln titanium deposit. Deutsche Gasgliihlicht -A. G., Degea Titandioxyd, Berlin, 1929 Titandioxyde and Titanweiss pigments, Berlin, 1926. H. St. C. Devilie and F. Wohler, Ann., 230-5 (1657); Conpt. rend., 65, 460-3 (157) Ueb'er die Affinitat zwischen Stickstoff und Titan. B. Dietheln and F. Foerster, Z. physik, Chen. 62, 129-177 (1906). The electrolytic reduction of titanium sulfate. R. Ditmar, Chen. Ztg. $2, 506-07 (1928) Snowwhite and luminous, non-poisonous enamel with titanium oxide-. R. Ditmar, Kau.tsohuk, 5, 79-81 (1929) Titanium dioxide in the rubber industry. R. Ditnar and G. Ballog, Gunni-Zeit., 42, 1303-04 (1926) Zinc oxide, lithopoae. zinc sulfide and titanic acid in vulcanization. M. Dittrich and S. Freund, Zeit. anorg. Chen., 56, 337-343; 346-52 (1907) Simultaneous precipitation of titanium and zirconlun in the presence of iron. Separation of thallium, titanium and zirconium from iron. G. Doby and G. Kelezer, Z. F. Kristall, 21> 526-40 (1904) The ash content and chemical composition of some titanium iron ores. W. Donavan, N. L. Wright and R, P. Wilson, 49th Ann. Rept. Dominion Lab., New Zealand, pp.l-5 Soc. Chem. Ind., 26, 292 (1917$ Titanium.. phosphorus and vanadium in Taranaki iron sand. Concentrated by magnet. 60 - 0. Dreher, Farben. Zeit., 11, 293-300 (1902) Compounds of tetravalent titanium and their properties, especially in relation to their use as dye mordants. 0. Dreher, Farben-Zeit. , l4, 229-230 Mordant dyes. Use of titanic acid. 0. Dreher, J. Chen. Soc., 06, Ab. i 471 (190*0 Combinations of titanic acid with lactio acid. F. H. Driggs and J. W. Harden, Mineral Ind., 3Z> 599-66 (1920) Titanium and zirconium. Technology and production. A. Dulac, Rev. chin. Ind., 36, 263-6, 294-7 (19^7) The manufacture of titanium white. Description, based mainly on French patents. F. P. Dunnington, Proc. An. Assoc. Adv. Sci. ^4, 132 (1005) A sponge-like mass containing titanic oxide. F. P. Dunnington, Am. Jour. Sci. 42, 491-495 (1091) Distribution of titanic oxide uoon the surface of the earthy. F. P. Dunnington, Chen. News, ]j$, 221-222 (1097) Distribution of titanic oxide uoon the earth. L. Duparc, R. Sabot , K. Wunder, Chen..Zentr. 1915 II> 553 Study of pegmatite minerals of Madagascar. Ilmenite of 51.32^ TiOa. R. Durrer, Stahl u. Eisen, 4, 938-41 (1920) The snelting of titanium iron sand. ' W. A. Dyes, Chen. Ztg., 4g, 35$ (1918) Titanium and titanipm white. G. K. Dyson, Chen. Age. (London), l4, Metal, sect. 33-5 (1926) Metallurgy and uses of vanadium and titanium. H. Eberth, Farbe uuLaok (1927) 4l2-l4, 425-26, 437, Titanium white.. G. Edgar and A. Kemp., J. Amer. Chen. Soc., 40, 777-84 (191S) The use of metallic? silver as a reducing agent in the volumetric estimation of ironT Does not reduce Ti pt all* - 01 - DUP050Q26505 A. Eibner, Lunge-Bexl, Chen. Techn. Unters. 7 ed., 1924, Vol. IV, 73^--39, 764--67. Titaniun white. A. Eibner, Farb. Zeit. 2j4, 1490 (1929) Effect of titaniun white on the fading of pignents. H. R. Ellis, Chen. News. 25, 122-23 (1907) Preparation of titaniun tetrachloride fron rutile, H. V. Ellsworth, Aner. Mineralogist, 12, 365-67 (1927) New analysis of euxenit of Maberly. Ontario. 25.04$ TiOa F. Erban, Chen. Ztg., 30, 14-5-46 (1906) The nanufaotore of titaniun preparations and their use in dveinar. G. J. Ericson, The Iron Age, J2f 4 (Aug. 27, 1903) A new method for de^ernlnation of Titanium. Copy in Ti file - Thornton, G. S. Ettele, Jr., Chen. Analyst, 22., 10-11 (191*3) A new method for the determination of titanium. P. Farber, Chen. Ztg. ^1, 263-65 (1907) The colorinetric deteraination of titaniun and its application in the presence of iron. Uses Ha03. P. Faber, Z. Anal. Chen. 46, 277 (1907) The properties of sexavalent titanium. I. G. . FarbeninduBtrie A.-G. "Kronos" titaniun white. the white pignent of the future Leverkusen (I928J P. Farup and E. Schreiner, Tidskrift ken. Farn. Terapi n, 65-73 (191^) Deteraination of titaniun and the insolubility of titaniferous ores. Federal Specifications Board, Standard Specification No. 115, Bur. Standards Giro. No. lo3. 11 pp. (Feb. 1924) United StateB government specification fcr titaniun pigmentTdry andoaBte. Federal Specifications Board, U. S. Governnent specification for titaniun pignent, dry and caste. No. 278. 1-11, Washington 1925* - 82 - t DUP050026506 r F. Ferrari, Giorn. Chin. Ind. applicata 2, 497-6 (1920) petermination of titaniun and iron in rooks* A. E. Fersnan, Heues Jahrb. Kin. Abt. A. Beil. Bd. 55. 36-46 (1926-7) Minerals of the Ohibina and Luiaur tundras of the Kola peninsula. Titanite anong those reported. F. Foerster, Chen. Ztg., 31, 922 (1906) The eleotyolvtic reduction of solutions of titanium sulfate. A. Fowler, Proc. Roy. Soc. London (A) 2, 509-18 (190S) The fluted spectrum of titanlun oxide, 0. S. Fox, Trans. Mining & Geol. Inst, of India, 20. 216-245 (1926) . Notes on titanlun. zirconium. ceriun and thoriun. L. Franok, Chen. Ztg., 2],, 520 (1697) Titanlun cyanide as, a blast furnace product. Split to TiOa and N cpds. A. Frenzel, Tech. Min. Mitth., 14, 121-130 (1694) Seolerate, pa^utlte. and Pseudo broofclte. E. FriederJLch and L. Sittig, ' Z. anorg. Chen. 145. 127-40 (1925) Preparation and properties of high-nelting lower oxides. Lower oxides of Ti for higher by reduction with Hs, E. Friederioh and L. Sittig, Z. anorg. Chen., 143. 293-320 (1925) Preparation and properties of nitrides. TIN anong those prepared. H. Freund, Uetall. u. Erz 21, 444-46 (1926) Color reactions and their use in quantitative chenlcal Ti included. C. Friedel and J. Guerin, Coopt, rend. Si, 669; 62, 6721 2, 973 (IS76)| Ann. Chin. phys. (5) 6, 24-56 (I876)* Bull. Soc. Chin. Si, 269-90 (1675). Titanium oonoounds. Separation of iron and titaniun. J. N. Friend, Text-Book of Inorganic Chemistry. Vol. 5 1917 by R, H. Oaven. Titaniun - p. 232. -- 63 -- DUP050026507 F. Fritz, Farbe u. tack (1927) 5S9-9O, 603,615. ..ftA*^l*W.plff3ntf H. Gall and W. Nanchot, Ber. 5|, 4S2-S5 (1925), Catalytic hydrogenation, of inorganic substance... Titanium sulfate hydrogenation. G. Gallo, *tti. accad. tincei (5) 26, (l) 32^*30 (1907). Volunetrio Deternination of tltaniun. H. A. Gardner, Paint Mfgirs. Assoc. U.S., Circ. 133. pp. 1-10 (1921). Reflection factors pf industrial paints and plgnehts.. Circular in Ti file, Thornton. H. A. Gardner, Paint Mfgrs. Assoc. U.S. , Circ. 129. pp. 1-9 (1921). Two-year exposure results on Atlantic City -panels, H. A. Gardner, Physical end Chemical Exaninations of Paints, Varnishes, and Colors, Washington, 1922. H. A. Gardner, An. Paint & Varnish Man. Ass, Circ. 142. 127-28, 131 (1922). Present and future painting practicet the great value of high grade nixed, Paints t. bulking values for painters. H. A. Gardner, An. Paint and Varnish Man. Ass. Circ. 142, 149 (1922). Storage conditions in white and tinted paints with reference to sopp formation on the flake or granular te. H. A. Gardner, Proc. Sc. Sect. Paint Man. Ass. U.S. Giro., 2S.I, 20-43 (1923). Report on inspection of miscellaneous exposure tests onjaaints,., H. A. Gardner, Paint Mfgrs. Assoc, of U.S. Circ. No. 199. 256-73 (Feb. 1924). Titanox. antinony oxide, and lithopone. New exposure teste on tltanox paints and lithooone paints. Ne*r ex posure tests to determine the effect of alunlnun powder in -white paints and^he effect of aluninun powder paints as -wood prlners. H. A. Gardner. Proc. An. Soc. Testing Materials: 25, Pt. 1, 227-31 (1925). .. ~ Report of sub-committee Ilj on testing paint vehicles. Pigments used nixtsi Zno with 50# titanox, !Of titanox, 5056 liltbopone, eto. Titanox nixts. stood up best. - S4 DUP05 0026508 H. A. Gardner, Proo. A.S.T.M., 26, I 308-31*. Report; on testing paint vehicles. H. A. Gardner, An. Paint 4 Varnish Hfgra. Ass. '01-rc.-: .295. 333, 337, 341, 343, 345, 347, 349 (1926). Color number of dry pjgaents and experinents on. the selective absorption of various nignents and liquids# H. A. Gardner, An. Paint and VarniBh Hfgrs. Ass. Ciro. 316. 49M95 (1927). Ultraviolet light effect on nignent in oil aixtures. H. A. Gardner and P. C. Holdt, An. Paint and Varnish Hfgrs. Ass. Circ. 173. l60-l6l, l64, 16?, a?! (1923). Brightness. whiteness and hiding poire r of. opaque ^hite pignent. paints and enanele. H. A. Gardner and H. C. Parka, An. Paint & Varnish iifgrs. Ass. Clirc. 1&6, 12-13 (1923), Efficiency of drAere for, various .whita Pignent,.palnte,. H. A. Gardner, S. C. Parks H. Pihlblad, Proc. Sc. Sect-. Paint Hfgrs. Ass. U. S. Giro. ^46, 166-257 (1922). fineness and bulking values of paints. A. Gautier, Rev. gen. chin. 4, l4-l5 (1911). Determination of tljbanlun in alumina minerals by the colorinetric method, A. Gautier, Rev. Gen. de chin,. l4, l6-17 (I9H). Note on the use of heiianthin in the colorinetric determination of titanium. L. 0. E. Gee, Record of the Mines of South Australia-, 4th Ed., PP. 35&-7 (1906). fictile, See Watson and Taber; Va. G. S., Bull. IIl-A, 3407 (1913)* R. F. Geiler and B. J, Woods, J. Aner. Ceranlc Soo. 4, 642-54 (1922). Use of special ofldps in porcelain masses. Ti03 included. A. Gemmel, Analyst, 19^-202 (1910). Improved method for ,the estimation of titaniun* gh-Al, alloy, wpafl tq .irgto^^ld..J.^9P.-tP^t.?rousf Differential reduction. - 65 DUP050026509 G Genin, Peintures, nignents, vexnis, fj, 631-7 (3-923). Titaniun pigments,. History and occ. of titaniferous materials usable as pigments and methods of prep. Ti pigments. Methods of analysis outlined. F. G. Gernuth, J. An. Chen. Soc. 5&, 1910 (1928). Coloricetric deternination or titaniun by hydrogen dioxide. J. Genre eke, Ann., 361, 79-89 (1908). Phosphides of Titapiun and Zirconium. W. B. Giles, Chen. News. 2< l-1*-, 25-27 (1909). Observations on tantalum. -titaniun and niob. II. The deconoositlon of, minerals oontainlng these substances. Fusion with alk. hydroxide; with HF or K bifluoride; with 0 and Cl; with C in the electric furnace; with K, Na, or NH3 bisulfate. G. Gin, Trans. An. Electrochem. Soc., 1^,, 291-4 (1907)* Cf. U. S., 181, 888, May 4, 1905. On the electrical reduction of titaniferous iron ores. With limestone and coke. C. Glaser, J. Am. Chen. Boc. 732-93 (1896). Chenical Analysis of Monazite Sand. Mineral with strong; HaS04 - P. 79* E. Glatzel. Ber., , 1829-39 (1873). The oxide of titaniun obtained by the solution of titaniun in acids, and sone new titaniun oonoounds. Ti and Ti03 with HsS0*. Gmelin-Kraut, Handbuch der anorganischen chenie (1912), Vol. Ill, p. 1-100 and 1201-1240. Titaniun. , p. 13* Ti ions with HF and dil. H3SO4. Weber, J. prk. chem. 20, 212 ( 1863). p.l2-l6. Rutile with cone. HaS0*. H. Geison. Dissert. Munich, 1902, Beitrage zur Kenntnie der selt. anorg. Sapren. No mention of CONC. H. Goerges and A. Stabler, Ber, 42, 3200-18. Reduction of titR.nipm tetrachloride by hydrogen. H. Goldsohnidt, Electrochen. Met. Ind., 3., 168-70 (1905). Titanium and vanadipn. - 86 - DUP050026510 V. M. Goldschmidt, T. Barth, D. Holmsen. G. Lunde and W. Zachariasen. Skrifter Norske Videnskaps - Akad., Oslo, Hat.-Nat. Kl. No. 1, 21 pp. (192b). Geochemical distribution law 0f the elements. VI, Crystal structure pf the rqtfle type -with remarks on the geochemistry of the 'bivalent and quadriva lent elenants. Dimensions of space lattices of TiO* studied among others. Gooch, Proc. Aner. Acad. Science. 1, 435 (1SS5)1 Bull. U.S. Geol. Survey, , p. lb. Separation of titanium from alunipum and iron. Gooch and Newton, Aner. Journ. Sci. 23., 3^5 (1905) Iron in the presence of titanium. W. L. Goodwin, Can. Chen. J. 2, 210 (1918); Trans. Can. Mining Institute. 2, $6^99 (19l8' Titaniferous ores pf Panada. H, Gorceix, Jahrb. f. Min., I6S5, 1, Ref. 208. Hydrated titanium qxide from xttamantina. A. L. M. Gottschallp, Hiding Eng. World, 4&, 903-4 (1915). Brazilian Honazite sands lie in Costal strip. British Indian deposits are at Travancore. Ilmenite, with some monazite, occurs near Cape Frio. T. Graham, J. Oheu. Soo., i, 325 (1864). On the -properties of silicic acid and other analogous colloidal substances. liquid titanic acid. E. Grandmougln, Key. chin. Ind. 25, 299 (1926). Titanium white in France. H. Green, Ind. Eng. Chen. i, 677-SO (1924). The microohemistrv iof white -Pigments and fillers. Titanox included. G. Greenwood, Philos. Magazine (6) 4g., 654-63 (1924). The crystal structure of cuprite and rutile. H. Grossmann, Chem. Ztg. 2S.> 907 (1906). Some reactions of tjrivalent titanium. Grunwald and Hodgson, Raw materials of the Enamel Industry (1914). p. 126. - 87 - DUP050026511 A. Guttler, B. Ottenstein, E. Leutheusser, X. Lossen, and F. Allan, Z. anorg. chen. 162. $7-100 (19^7)* Colloidal syntheses with the aid of titanium trichloride, Ajq. oof. -1C;13 yields colloidal TiOs. X-ray analysis. "N R. Hadfield, leans. Faraday Soc. 12, $6-115 (1917)* Refractox 7 mattrials. General rsvievr and bibliography of TiOa, etc. I. D. Hagar, Faint Mfgrs. Assoc, of Aner., Proc. Scientific Sect. Giro. 164, 267-290 (1923). Titandx Paints.. Titanox rit'h ZnO expecially free from checking, cracking, scaling and discoloring. Titanox used alone chalks. Author not knovn, Gift of Hr. I. D. Hagar (about Oct.31,1923) to Thornton. Titaniun white.. I. 0. Hagar, Paint, Oil and <5hen. Rev. 64, No. 1, 12-13, (1927); No. 12, 17 (1927)* Titanium figments. Revie-; of applications of titanox, Ti - Ca oignent and pure Ti08. 27 I. D. Hagar, Hide <5L leather 21, 4^-50 (1927). fitanium pigments for leather finishing. discussion, I. D. Hagar, Chim. & Ind. 21, 151 (1929)* Titanium Pigments in leather finishing. E. W, Hagnaier, Het. and Chen. Engineering, 26, 566 (1917), Analysis of rutile^ 0. Hahn and H. Gille, Z, anorg. chem. 112. 263-92 (I92O), The solubility of earth acid gel ftitanic, tantalio and columbio acids) in hydrogen peroxide-acid mixtures, H. v. Halban and E. Zimoelmann. Z. Elektrochem. 34, 3^7-93 (1926), ^ The use of photo-electric spectrophotometry in micro analysis. Application of method to determine Ti by ppt. as Ti0a given. R. D. Hall, J. Aner. Chen. Soc. 26, 1235 (1904). Mei^'P ic acids. Reaction of titanium solution to numerous reagents, F. Halla, Zeit. anorg. phen, 164, 421-427 (1929), Reactions of tltanjlum Besouioxlde with iron oxide, - 66 - DUP0 50026512 R. L. Hallett, Paint, Oil and Ohen. Rev. 70> No. 3> 8, 22*4 (1920). An instrument for measuring the hiding cower of paints.. Titancx compound vrith other paints. R. L. Hal'.vbt, Iroc. A.S.T.M. 22, II 523-31 (1922). Hiding 4c> \ er of white pigments. R. L. Halle"i;. Proc. Am. Soc. Testing Materials, 22., II 379- 95 (:.92?). The effect of certain paint filns on ultra-violet light.. Reflection, t ..vansmiseion and adsorption of titanox given, R. L. Hallett, Proo. Am. Soc..Testing Materials, 26, Pt. 2, 538-45 (1926). Hiding power of pigments. Relative hiding and tinting powers of vtoite lead, basic '.'PbSO*, titanox, ZnO and lithopone. R. L. Ballet, Paint, Oil & Chen. Rev. 8g>, No.24 (1926). Titanium pigments.. R. L. Hallett, An. Paint Journ. No. 10, 20-22 (1927). Characteristics of titanium pigments. R. L. Hallett, Drugs, Oils and Paints 4j, (1928) 301-302. Characteristics of,titanium.pigments. E, J. Hallock, Annals New York Acad. Sci. i, 53-76(1879). Index to the literature of Titanium. 1783-1876. T. Hanssen, Teknisk Ukeblad J5., 88-92 (1928). Titanium yfalte. P. Hart, Zeiaent 377 (1924). Titanic acid and its occurrence in oeaemt. Hauser, fl. anorg. Chea. 6, 231 (1902). a new mineral. P. Hautefeuille and J. Margottet, Compt. rend., 102. 1017-9 (1886). Combination of -phosphoric acid with titanic, ziroonlc, and stannio acids. ^ 89 DUP050026513 W. P. Headden, Proc. Colo. Sci. Soc. 11, 177-202 (19317). The estiration and separation of titanium, colunbiun. etc" Nl Heaton, J. Pov. Arts ^ 5152-65 (1922). The orodueton of -oitanium oxide and its use as a paint aat-er-.'A . Discoloration of pigment not due to iron but to molecular change in pigment during calcination. Prevented by having email portion of Ti in form of phosphate. N. Heaton, Chen. Age, 21, 423 (1929). The development of titanium oxide pigments. U. Heaton, Chen. Trade J. 2, 4-39 (1929)* Titanium oxide pignents. Their development and possibilities. - 90 - DUP 050026514 H. Heaton _ Oil and Colour Trade Journal J6 1520 (1929) Titanium oxide pigntents Hi Heaton J. Soc, Chem. Ind. 1090-1091 (1929) Titanium oxide pigments J. A, Hedva.ll Z. anorg. alilgen, Jhem. 93, 31J-9 (1915) The reactlc.r.s between cobalt oxide and other metallic oxides at ~high temperatures. ' ' ............................ . Ignition r-i th Ti02 gave Co0,Ti02 but no orthotitanate. J, A. Hedvall Arkiv Kemi Mineral.Geol. 3, Ho. 11, IS pp. Changes in properties produced by different methods of preparation of some Ignited oxides studied 6y X-ray interference. Hydroxide of T'i studied. J. A. Hedvall and N. v. Zweigbergk Z. anorg. chem. 103;. 119-36 (1929) Study of gome rapid low-temperature oxide reactions by means of Keating' curves. BaO with Ti03 studied. E. Hellbusch Chem. Techn. WochenBche. 5., 165-6 (1921)} Chimie et Industrie 6, 315 (1921). Titanium wKite W. Hempel Z. anorg. chem. 193 (1393) Use of sodium peroxide in analysis tfith ti iron ores. H. M. Henton Mining; Sci. Press 104, 472 (1912) Titanium and its usfes. R. Hermann Ann. mines, (4) 11, 476-33 (1347) Reoherches sur le t^'tane. le tantale. le niobium et un nouveau m&tai/ l^ilm^nium W. Hermann Zeit. anorg, chem. 60, 3^9-404 (1903) The influence of oxpTizing and reducing gases on the color of some"minerfrls J Titanium minerals included. H. Herzfeld Stahl u. Eisen 22 731 (1912) Determination of titanium In the presence of iron. -91 - DUP050026515 J. A. Heskett Iron and Steel Inst. May 6-7, 1920} Engineering `109 675-7 (1920) fKe utilization if titaniferous iron ore in New Zealand. Frank L. Hess Mining Tor Id, H, 305-7 (1910) Hew Rutile Deposits Near Richmond, Virginia F. L. Hess U. S. Geol. Survey, Mineral Resources of U. S., 1915* Part I, 767-S03 (separate 25, pub. Mar. 2, 1917). Cobalt, titanium, etc. F. L. Hess U. S. Geol. Survey, Mineral Resources of U.S., 1916. Part I, 775-60? (preprint No. 25, pub. Feb. 25, 1919). Cobalt, titanium, etc. F. L. Hess U. S. Geol. Survey, Mineral Resources of U.S., 1917. Part I, 699-953 (preprint 29, August 31/ 1920). Cobalt, titanium, etc, in 1917. F. L. HesB U. S. Geol. Survey, Mineral Resources of U.S. 1916/ Part I, 791-617 (Preprint No. 26, pub. June 29, 1920). Cobalt, molybdenum, titanium, etc, in 1916. F. L. Hess U. S,, Geol. Survey,' Mineral Resources of U.S., 1919, Part I. 711-^29 (Preprint No. 26, pub. Nov. 10, 1921). Cobalt, molybdenum^ nickel, tantalum, titanium, etc. F. L. Hess U. S. Geol. Survey, Mineral Resources of U.S. 1920, Part I. 401-17 (Preprint No. 22, pub. Feb. 20, 1922). Cobalt. molybdenumt nickel, tantalum.' titanium, tungsten, radium, uranium and vanadium in 1920. F. L. Hess U. S. Geol, Survey, Mineral Resources of U.3.. 1922. Part I. 557-63 (Preprint No. 27, pub. Mar. 14, 1924). Cobalt, molybdenum,! nickel, tantalum, titanium, tungsten, radium, ilranium and vanadium in 192. F. L. Hess U. S. Geol. Survey, Mineral Resources of U.S. 1923, Part I. 235-56 (Preprint 15, pub. Nov. 29, 1924). Rare Metals Includes Ti. - 92 - Frank L. Hess Private Commun. (7th. June, 1923) - Thornton STRUV5RITE Struverite occurs on the Sebantun River, Kuala Kangsar District, Perak, Federated Malay States. The sand (specimen) contains also cassiterite, monazite, topaz, tourmaline, zircon and pyrite. This deposit was originally worked for tinj but more careful investigation proved ift to contain relatively little tin-stone and much struverite. F, L. Hess Bur. of Mines, Mineral Resources of U.S. 1924-, Part I. 451-76 (Preprint Ho. 22, pub. June 7, 1926). Rare Metals Includes Titanium. F. L. Hess Bur. Mines, Mineral Resources of U.S. 1925, Part I. 601-22 (Preprint 24-, pub. June 17, 1927). Rare metals. Cobalt, molybdenum, nickel, titanium. tungBten. radium, uranium and vanadium in 1925" F. L. Hess Bur. Mines, Mineral Resources of U.S. 1926, Part I, 249-74. Cobalt, molybdenum, nickel, tantalum, titanium. tungsten, radium, uranium and vanadium in l9ff. F. L. Hess Bur. Mines, Mineral Resources of the U.S., 1927, Part I, 393-4-53 (Preprint No. 17, pub, May 1, 1929). Rare metals - 1927. Ti included. Hettbusch Farbe u. Lack 1921 4-0 u. 350 Titanium white 15 Hibbert J. Soc. Chem. Ind. 28, 189-190 Volumetric method fjor the estimation of titanium. and o:f titanium and' iron in the presence of each other. If. E. Hidden Am. Jour. Sci., 36, 272-74 (1889) EDISONITE. A FOURTH; FORM OF TITANIC ANHYDRIDE. Same as' Rutile in Dana's System A. Hilger and H. Haas Ber. 21,458-461 (l89o) Separation and quantitative determination of.tin and titanium. Mineral with dil. HjaSO* (1;10) and hydrofluoric acid. - 93 - DUP050026517 Hillebrand U. S. Geol. Survey Bull.. 422, 134. 136 (1910); 700, 124-154 (1919) Titanium analyses. F. Willy Hinrichsen Chem. Ztg. 61 (59) 73^ (190S) On the volumetric determination of titanium Red', with Zn in Ha S04. A. W. Hixson and W. W. Plechner Ohem. Metal. Eng. 36, 7^-7^ (1929) Foote-Printe , 32 (1929) Titanium offers new possibilities as a pigment, 6b 0 Be H3S04 and red, of ferric iron by scrap iron characteristic of Titan Co. process^ C. P. Van Hoek Farhen-Ztg. ^1, 2296-8 (1926) Titanium white Summary of pub.- information on chem., and phys, properties of mixtures of Ti03 and BaS04, Comprehensive bibliography. C. P. van Hoek Farbe und Lack ^4, 834, 954-56, 1006-1009 (1929). White pigment8 and their behavior in ultra-violet light. 0. P. van Hoek Farben. Zeit. ^4, 2628-2832; 3001-3004 (1929) Titanium dioxide and titanium white. Bibliography of 135 ref. K. A. Hofmaim and W. Prandtl B. 34, 1064 (1901); 42, 2631 (1910) Zirconium ore. Determination of Ti03 ore fused with Na bisulphate and evap. to dryness with H3S04, P. Holland Chem. News, 9, 27 (1889) Two co, H3So4 (5 cc. - 0,8 g, S03 ) were added to HP in each experiment. h 3s o 4 Ti03 present Ti03 found Hone present Present Present 0.0466 0,04l4 0.0520 0.0340 0.0413 0.0520 See aleo Mellor (Quan, Inorg, Anal,, P,l69 1913). Prevents volatilization of TiF4. - 94 - DUP050026518 0. HBnigschmid Monatsh, 2]_, 1069*, Comp. xend. 14-3. 224 (1906) SilicldeBOf Zirconium and Titanium Ti Si3 prepd. by alumino-thermal process and properties described. B. S, Hopkins Chemistry of the Rarer Elements (1923). Titanium. p.131-143 G. Hundt Farbe u. Lack (1923) 52 Titanium Pigments G. H, Hurst and F. N. Heaton Faint technology, London, 1929* A. Hut in Feint., Pigm., Vernis 4, 425-426 (1927) The industrial extraction of titanium from its minerals. Imperial Chemical Industries, Ltd., Brunner, Mond & Co. Amended Report on The Manufacture and Costs of the Brown-Klein Process for Obtaining Titanium White Pigment Written for the Dupont Co., by L.M.Clark, May 1929* Imperial Chemical Industries, Ltd. Brunner, Mond & Co. MethodB of Testing Titanium Pigments by J.L.Keats. Jan. 1930. R L Jack Bull. Geol. Survey S, Australia No. 13 (1928) Pigment Minerals of South Australia Ilmenite included. J. Jakob Zeit. anorg. Chem. lOo. 229-67 (1919) The theory of magnetic mineralizers. Ti03 minerals included. G. 3. Jamieson and R, Wrehehall J. Ind. Eng. Chem. 6, 2Q3~5 (1914) Determination of tianium as phosphate* H. Janistyn Deutsche Parfum.-Zeit. l4, 430-31 (1923) Beryllium and titanium compounds in cosmetics. G. Jebsen Tidsskrift for Kemi lj_t 4l (1920) The new Norwegian titanium white industry. G. Jebsen Tek. Ukeblad 7, 234-9 (1920) Norwegian Titanhvitt-Industrie Lecture - 95 - DUPO5O0I 26519 S. J. Johnstone . The Rare Earth Industry (1915) Titanium* p>37-43 A. 0. Jones J. 3oc. Dyers Colourists 42., l6l (1927) Stability of titanium sulTate J. Jones Chem. News, 65, 8 (lS92)j Abstr. Jour. Chem. Soc., 62, 664 (1892) DlCOMPOSITIO" OF MINERALS CONTAINING TITANIUM Two grams mineral can be dissolved except silica by heating in pressure bottle to 200C. with 20 cc. of water and 20 cc. of sulphuric acid for 2 hrs. A. Jorissen Bull. Acad. Roy. Belg. 902-7.(1903) Delicate reaction of titanium Salicylic acid in cone. HgSO* gives red color with titanium. C.K. Svenskkem. Tidskr. 2fLi 165-67 (1920) Titanium white 0. A. Kail Sprechsaal 52. 510-1 (1926) Standard methods for quantitative silicate analysis. Detn. SiOa. BaO. Fen0a and T10a described. N. Kano J. Chem. Soc. .Japan 42., 333-40 (1922) Uses of amalgams in volumetric analyses. IV. cadmium amalgam. In detn. Ti, among other metals. Uses of If. Kano J. Chem. Soc. Japan 44, 47-53 (1923) Uses of amalgams In volumetric analysis. IX. Determination of titanium and of titanium and iron in the presence of : one other. J S. B. Kanowitz Chem. Met, Eng. 22, 203 (1925) Modern pulverizing: methods. A. Karl Compt. rend. 146, 1104-6 (1908). The tribolumineacence of minerals. Titanic acid included. L. Kayser Zeit. anorg. Chem, 138. 43-64 (1924) The hydrolysis of titanium sulfate solutions as a basis of a. separation of titanium from aluminum in sulfuric' acid solution. DUP050026520 E. Keidel^ ZeU> ^ 1242-4-3 (1929) Fading of aniline dveB in the presence of titanium white. . Kerckhof Brochure sur le Blanc de Titane, 1923 S. Kikuchi and N. Kane) , , J. Chem. Soc. Japan 4^, 544-50* 550-556 (1922) Uses of amalgams in volumetric analyses, V. Estimation of iron, titanium, uranium and methylene blue. VI, Electrometric titration of iron, molybdenum, uranium, vanadium and titanium. S. Kikuchi and N. Kano Sci. Repts. Tohoku Imp. Univ. l6, 707-712; 713-713; 733-3 (1927). Application of liquid amalgams to volumetric analysis. V. The estimation of iron, titanium, uranium, and methylene blue, VI, Potenxiometric titration of "iron, molybdenum, uranium, vanadium and titanium. IX, A new method of estimatingtitanium and iron in a mixture. H A Kir8ch Chem. Techn. Monatsh, 1-2 (1927) 4feoidance of lead intoxication by non-poisonous titanium pigments. :' J, Kirschfeld and A. Sieverte Zeit. physik. Ohem. l4, 27-240 (1929) Titanium and hydrogen. K. L. Kithil Bur. Mines. Tech, Papers No. 110, (1915) Monazite. Thorium, and mesothorium Flow sheet of magnetic separation of mo'nazite sands given. A Kltul5sr Z. anorg. Chem. 117. 243-3 (1921) Titanium hydride. C% A. Klein J. Soc. Ohem. Ind.4l, 209-10 (1922) New white pigments A, A, Klein and G. H. Brown Trans. Am. Ceram. Soc. 1, 74-5-59 (1915) Microscopic investigations of some compounds noted in the systems soda-zinc oxide-silica and soda-zinc oxide-titanic oxide-silica. ] i E. Klever Keram. Rundschau ^6, 101~2 (1923) The influence of titanium on the coloring of clay ware. TT~may cause bluiBh to purplish color in burned clay ware. - 97 - DUP050026521 S. Klosky and A. J. Burggraff J. Am. Chem. Soc. 60, 1045-9 (1926) The absorption of qulfur dioxide by titanla gel. S. Klosky and C. Marzano O'. Phys. Ohem. 2, 1125-6 (1925) Titanla Jellies. S. Kloshy and L. F, L. :foo J. Phye. Ohem. 22., 1367-95 (1922) Atsorption t:f_nirturas of easily condensable gases. C^H'^/o h ^o T, BOp + 0,H10, and SOg + CH^C1 by titanla E. Knecht Z. angew. Ohem. 26, Aufsatz. 734-5 (1914) The determjnation of titanium by titration. E, Knecht J. Chem. Soc. 122,, 1537 (1924) Titanous salts as reducing agents. E. Knecht ancl E, Hibhert J. Soc. Chem. Ind. 20, 396 (1911) Pertitanic acid and Its influence on the volumetric estimation'of iron in titanic minerals! A. H. Knechler J. Amer. Cer. Soc. 104-109 (1926) The influence of Fe^O, and TiO^ on pure clays. T. Koenig and 0, F. von der Pfordten Ber., 22, 1435-^4 (1269) Untereuohungen Uber Titan Ti-Fe mineral with cone. H3S0*, p. 1490. piesert, (Munchen, 1910J Uber die elektrolyt. Reduktion von Tltansalzen. Y. F. Krieger Contributions to the Study of the Natural Resources of the U.S., S.R. No,56, Titanium and its compound, No.l, 23-33 (1926) Report of the titanium commission on the experimental results in chlorinating iimenite. ' A. Labunzow |r ' Neues Jahrb. Mineral,, Geol. Palaout, 1926, I 97. Iimenite from Chlbinsky Tundren. 1! ;i - 96 - DUP050026522 A. Lacroix i i Conference faite au .Mueaum National d^istoire Naturelle le Mai 1920. Pp.l-ps. Lee Industries miherales non metallfferes & Madagascar. Lee mineralb de titane,pp.28-30 Copy in Ti file-Thornton A. Lacroix Compt. rend. 171. 481-85 The regular grouping of two different minerals containing Iron and titanium. ^ I. Ladoff J. Ind Eng. Chem. 1, 642-4 (1909) Technical Application of Titanium W. A. Lampadius Phil. Mag., II, II, 95-6 (1803) Titanium R, D. Landrum and L, J. Frost J. Amer. Ceram. Soc. 316-21 (1920) Titan!vim enamels Show unusual durability under all tests E, S, Larsen and J, F. Hunter J. Wash. Acad. Sci. 4, 473-9 (1914) Melilite and other minerals from Gunnison County. Colo. Perofskite on p. 477. Reprint in Ti file-Thornton Laugier Ann. Chim. Phys., (1) 8, 306-24 (1814) Sur la purification et la reduction des oxides de titane et de cerium Ledebur Leitfaden f, Eisen-Lab., 5th ed., page 38. Lehmann Ztschr. Krystall, lr 97 (1927) Change of one TiOa-modification into another K. B. Lehman and L. Herget Chem.-ztg. 51. 793-4 (1927) Studies on the physiological properties of titanium dioxide and titanium white. TiOa fed for > mos. to various animals proved harmless. Two methods for detn. of Ti given. V. Lenher Electrochem. Ind. 2, 11-3 (1904) The rare elements Titanium, p. l3. - 99 - DUP050026523 V. Lenher and W* G. Crawford Orig. Com, 8th Intern, Congr. Appl. Chem. 1, 285-93 (1912) A new colorimetric method for titanium V, Lefcher and W. G. Crawford J, Am, Chem. Soc. 138-45 (1913)* A new colorimetric method for titanium H, A. Leverin Can. Chem. Met. , 198-9 (1925) Possible production of titanium white Sttm Canadian sourceb . Review of American and Norwegian processes given. Recent process in which ore reduced to sponge Fe, G. R. Levi Giorn. chim. ind. applicata 2, 4-10 (1925) New Chemical studies with X-rays. Titanic and metatitahio acids are completely amorphous. L. Levy J. Pharm. (5) l6, 56-61 (1887) Estimation of titanic acid. L. Levy Compt, rend., 108. 294-6 (1889) Titanium peroxide L. Levy Dissertation (Paris, 1891) Titane Levy Ann. chim. phys. (6); 2^, 433-519 (1892) Contribution to the siudy of titanium S. Ii Levy The Rare Earths (1915) The Titano-silicateg and TltanateB - Chap. 3. The Monazite Sands - Chap. 1. Titanium - Chap. l5. H. Lienan Chem. Ztg. 2, 484-85 (1905) A method for investigating bauxite. Lithopone-Kontor Farbe und Lack (1927) 448 Titanium white and lithopone. Lithopone-Contor Titanium white or lithopone? Cologne, 1929* E. Livraghi Rass. min. met. chim. 60, 135-7 (1924) The industrial applications of titanium - 100 - DUP050026524 E. Livraghi , Atti congr. Naz. chim. Ind. (1924) 329. Sands of Adriatic coast. with special consideration of limenlte and magnetite '' R. Lorenz and J. Woolcock 2. anorg. chem. 176. 2S9"304 (192S) Decomposition pressure of nitrides Actiori of on Ti. L. Losana and E, Carozzi Giorn. di chim. ind. ed appl. 4, 394-96 (1922) Determination of titanium in iron compounds. liethylene blue oxid. titanous cpd. to titanio opd, in warm HOI soln. Red. by Zn in HOI. A. Low Technical Methods of ore analysis 1914. Titanium - pp. 260-266, G. Lunde 2*. anorg. allgem. chem. l64. 34l-4 (1927) Titanium sesquioxide. G. Lundell and H. B. Knowles J. Amer. Chem. Soc. 42, 1439 (1920) The determination of zirconium and titanium in zirconium ores. Discussion of fluxes. G. E F. Lundell and H. B,. Knowles J. Am. Chem. Soc. 45, 2620-3 (1923) The determination of titanium by reduction with zinc and titration with permsfnganate. G. Lundell and H. Knowles Ind. Eng. Chem. l6, 723 (1924) Use of cool solutions in the Jones reductor. > 101 - DUP050026525 D. W. MacCorquodale and H. Adkins J. Am. Chem. Soc. 0, 1938-9 (1922) Organic titanous compounds and a new method for the prepara- tion of solutions of titanous salts. ~ Dark blue org. tervalent Ti cpd. from Et4.TiO* . S. Magri and G. Ercolini Gaz. china, ital. 37, II 179-185*, Atti Accad. Lincei (5) 16, I 331-336 (1907) uantitative separation of iron from titanium and aluminum. se of membranes for quantitative electrolytic analysis. S. K. Majumdar J. Indiana Ghem. Soc. 6, 357-360 (1929) Coagulation of colloidal titanic hydroxide. :j M. S. Maksimenko ' U.S.S.R. No. 56, Titanium and its compounds, No. 1,33-^3 (1926) Experimental Investigation on the problem of obtaining titanium carbide. M. S. Maksimenko and A. Elisiev U.S.S.R. No. Titanium and its compounds, No. 1,4-3-7 (1926) A technical report on the experiments on the chlorination of titanium carbide. W. Manehot 2eit. anorg. Oh. Jit, 79-85 (1912) The ohemlcal constitution of titanium-iron ores Action of minerals toward cone. HaS04. W. Manchot and P. Richter Ber., 22, 320-23 (1906) ; 22, ^85-92 (1906) . Auto-oxidation of tervialent titanium-. Oxidation of Tervalent Titanium. II. 0. P. Mann Farbe und Lack, pp. 452, 5^9, 60J (1925) A new preparation of titanium oxide pigment. J. W. Marden Mineral Ind. 22, 654-90 (1921) Titanium and Zirconium. J. W. Marden Mineral Ind. 31, 657-97 (1922) Titanium and Zirconium Production, uses and technology. J. W. Marden Mineral Ind. 22, 674-51 (1923) Titanium and zirconium1 - 102 - DUP050026526 J. W. Marden Mineral Ind. 33, 703-10 (192*0 Titanium and zirconium Technology, usee and production. J. W. Marden Mineral Ind. ^4, 691-9 (1925) Titanium and zirconium Production, uses and metallurgy J. Tf. Marden Mineral Ind. 35, 675~3 d926) Titanium and zirconium Hew processes, uses and patents discussed J. W. Marden Mineral Ind. 36, 5641-90 (1927) Titanium and zirconium Sources and technical developments. E. Martin Ohim. et Ind. 16, Special No. 3, II 197-99 (1926) Determination of titanium in bauxite. Method applicable to all titanium containing material The Osaka Industrial Lab., Bull. IV, No. 13, 16 pp. (1923) Preparation of titanium oxide and its Teflning. J. M. Matthews, J /Am. Ohem. Soc. &, 64-6 (1696) On the separation of iron from zirconium and certain other allied metals. ij Atti accad. Lincei (5) 16, 265 I 394; II 349-52 (1907) Pertain complex salts of titanium peroxide. Introd. of active oxygen into the molecule of titanium oxide1 promotes the formation of oomplex anions. A. Mazzucchelli and E. Pontanelli , Atti accad. Lincei 16 I 420; 503? 518-22; Atti accad. Lincei 1Z 513 (1908) Complex ozo salts of titanium H4T1O4 in H20 sol. gives reddiBh yellow oil on add. H202. EtOK and Et80. A. Mazzucchelli and E. Pontanelli Atti accad. Lincei 16, I 60S (1911) Inorganic salts of titanium peroxide Opds. such as 08Ti(KS04)3-7H80 obtd. from Ti08,K2S04, and perhydrol. . 103 - DU P050026527 A. Mazzuohelli et E. Pontanelli Gaz. Chim, It. 4g, 666 (1910) Oan. Dept . Mines (Mines Branch)No. 47$ p p . 1-20 (191$) Prelim. Report of Mineral Production of Canada during 1917- P. G. Melikoff and L. Pissarjewsky Bex., 21, 67$-$0, 953-6 (1$9$) Hvpertltanates and Hvperborates J. W. Mellor A Comprehensive Treatise on Inorganic and Theoretical Chemistry, vol. 7> 1927* Titanium pp. 1-97- Checked pertinent references. M. Menzel , Farhe and lack 2z> 623 (1929) Titanium Changes on the German Market Meren, Edel Irden und Erze, 2, 33-36 (i920). Summary of patented processes relating to the production of titanium, vanadium, zirconium, thorium, etc. G. P. Merrill Eng. Mining J., 22, 351 (1902) Rutile mining in Virginia. H. E. Merwin Am. J. Sci. 2$, 119-25 (1909) Coloration in peroxidizjed titanium solutions, with special reference to the colorimetric methods of estimating titanium and fluorine. V. Merz Dissertation (Zurich, 1$64), pp. 1-3$ Untersuohungen fiber das Titan, Silioium und Boron Copy in Ti file - Thornton. V. Merz Jour. pr. Chem., 21, 157-76 (1S66) Titansaurephosphat, p. 170 VII. Beitrage zur kenntnis der tlt'anBaure. K. Meyer Ber. 45, 2548-54; 42, 1036-49 (1912) Reductions and reaction^ in flames I the oxyhydrogen flame. TiOl* reduced. Reduction of chlorides in Meyer, A. Bauer and R. Stchmidt Ber. 56, 1908-14 (1923) Preparation of ell-orys|tallized anhydrous titanium trichloride and the mechanism of th reduction of titanium tetrachloride"by hydrogen? - 104 - DUP050026528 R. J. Meyer and 0. Hauser Die Analyse der Seltenea? Erden und der Erdsauren. 1912. Titanium - pages 119-137; 271-292; 25S-61. Full account of processes available for estimation of titanium and its separation from other elements. Monazite sand opened up with cone. H2S0* heated to 200. E. J. Mills J. Ohem. Soc. 33, j60 (1878) On the action of oxides on salts. III. Titanic oxide Potassium titanate. W, 0. Mixter Am. J. Sci. 22, 393-97 (1909) The heat of formation of titanium dioxide and third paper on the heat of combustion of acidic oxides with sodium oxide. V. H. Mixter Am. J. Sci. 31, 45; Z. anorg. chem. 2l 122-26 (1912) The heat of formation of titanium dioxide. J. Moir J. Ohem. Met. Soc. S. Africa 16.189 (1912). Analysis of Oo-Ti minerals. H. Moissan Oompt. rend., 120.290-6 (1S95) Titanium H. Moissan Ann. chim. phys., (7) % 229-37 (1396) Preparation et proprietes du titane. H Mo j. 8 8 8U1 Traite de Chimie Minerale Vol. 2, 1905 Titanium (Defacqz). Page 4$0, 511-14. Prep, of Ti0a. Amorphous Ti anhydride, a white powder whose density varies with temperature to which it has been subjected. R. Molstad Tidskrift Kemi. Farm, og Terapi II, 313-5 (1914) Determination of titanium R. H. Monk Can. Ohem. Met. U, (1927) 69-70 Manufacture and uses off titanium pigment R. H. Monk and R. J. Traill Can. Ohem. Met. 10, 137-39 (1926) Electrolytic iron from Ilmenite ore Sep. of Fe and Ti. - 105 - DUP05002f R, H, Monk and C. Whitteinore I Can. Chem. Met. % 153-6 (1925)t Mon. sclent. (5) 16,127-32 ! Production and properties of titanium oxide. 0. Montemaxtini and L, Losana II notiz. chim. ind. 1, 237-^0 (1926) Action of mixtures of oxygen and nitrogen on a few elements ti amongThose studied." | R. B, Moore. S* CJ. Lind, J. W. Maxden, JVP. Bonardi> C.W. Davis, and J. E. Conley, Bur. of Mines, Bull. 212, 320 pp. Analytical methods for certain metals. T~included " ; H. T, Morgan and J. H. Calbeck Ind. Eng. Chem. IS, 1223 (1926) Cause and prevention of' staining on white paints. A. M, Morley and J. K, Wood J, Soc. Dyers and Colourists 22 100-5 (1923) The behavior of titanic acid towards dyestuffs. A. M. Morley and Jt K. Wood J. Chem, Soc. 125. 1626-34 (1924) Behavior of titanic acid towards hydrochloric acid I A, M. Morley and J. X. Wood J. Chem. Soc. 125. 518-20 (1924) The volumetric estimation of titanium I L. Moser Zeit. anal. Chem. 68, 468 (1926) Separation of zirconium from titanium Lv Moser end E. Iranyi Monat. 42, 673-77; 323-37 (1925) Determination and separation of rare metals from other metals.' I. The use of hydrolysis tot the separation of titanium, iron and aluminum. W. R, Mott Trans. Am. Electrochera. Soc. 2*b 255-95 (191#) Relative volatilities of refractory materials n 11 0. Muhlhauser Zeit. angew. chem, 22, 53-56 (1919) The colors formed in,the chamber of a zinc muffle and their transformation by the muffle and furnace gases, Ti0a reduced, '! 1 j R. K. Murphy Dissertation, Darmstadt, 1913* Titanium determination In Ti. files - Thornton. i - 106 - jDUP050b26530 W, Muthmann and H. Heramhof Ann. ,231, 162 (1907) / Metals of the rare earthy and earth acids. V, Porcelain colors. Includes Ti pigments; iron titanate, cerium titanate, manganese titanate. T. Nakazene J, Chem. Soc. Japan 42, 526-37 (1921) The use of amalgams in volumetric analysis. I. Determination of molybdenum, titanium." and' iron, T, Nakazene Sci. Repts; Tohoku Imp. Univ. 14, 109-17 (1925) Application of liquid amalgams to volumetric analysis. I. Estimation of molybdenum, titanium, and iron. T N&ksizoiio J. Chem. Soc. Japan 43, 17-26 (1927) Uses of amalgams in volumetric analysis. XII. Potentiometrio titration of molybdenum, iron, titanium, uranium, and vanadium by means of metallic electrodes. W. B. Hanson, Textile Colorist 43, 463-5 (1926) Titanium and its uses. In connection with dyeing, printing, mordanting, and stripping. S, S. Negus, Student Lecture, Johns Hopkins University, 1923* . 20 pages. The chemistry of titanium Copy in Ti file - Thornton. H. A. Nelson, Proc. A.S.T.K. 22, II 435-500 (1922) Accelerated weathering of paint on wood and metal surfaces. H. A. Nelson and 0. W. Rundle, Proc. A.S.T.M. 2, II 365 (1923) Further studies of the physical properties of drying-oil, paint, and varnish films. H. A. Nelson and G.F.A. Stutz, Res. Bull. N. J. Zinc Co. (1923) 10, 15. Application of hiding power-brightness relationship in com paring white pigments. B. Neumann, Stahl u. Eisen 30, 457-^ (1911) Determination of titanium B. Neumann, Z, angew. Chem. 2, Aufsatz.; 56 (1914) Determination of titanium by titration. Polemical against Knecht B. Neumann and R. K, Murphy, Z, angew. Chem. 26, Aufsatz., 613-6 (1914). Determination of titanium by titration with methylene blue. - 107 - 1 j DUP050026531 E. Newbery and J. Pring, Proc. Roy, Soc..London (Ohem. Zentr. 1916 II 52) Reduction J- metallic oxideaby hydrogen at high pressures TiOs "included` T H. D. Newton, Am. J. Sci. 2$, 130 (190S) A method for the volumetric estimation.of titanium H. D. Newton, Z. anorg. Ohem.-fjZ, 278-80 (1906) Volumetric method for the determination mi titanium E. L. Nichols, Phys. Rev. 22, 420-4 (1923) The luminescence of titanium oxide. P. Niggli, Z. anorg. Ohem. 241-326 (1916) Equilibrium between titanium dioxide and carbon dioxide As well as silica and carbon dioxide in alkali , lime-alkaliV and alkali-aluminate melts. ' ! L. F. Nilson andO. Petterson, Z. physik. Ohem., 1, 27-3& (lS67):i J. Ohem. Soc., 2, 778 (1667). Phyeioal constants of germanium and titanium and their 09111" pounds. A. A. Noyes, VT. 0. Bray, and E. Spear, J. Amer. Ohem. Soc.30. 461 (1906) A system of qualitative analysis for the common elements. III. Analysis of the aluminum'and iron groups. including titanium. etc. A. A. Noyes and W. 0. Bray, Ohem. Reviews j., 277 (1924) Systematic detection of rarer chemical elements. W. A. Noyes, J. Anal. Appl. Ohem. 5, 39 (1291) Determination and estimation of titanium. H. tlsen, Edel-Erden u. Erze 4 1-3 (1923) Titanium colors: Preparation of pigments from rutile and i'lmenite given. S. I. Oresshkin, Contributions to the Study of the Natural Resources of U.S.S.R. No. 56, 14-20 (1926) Obtaining titanium tetrachloride from titanium oarbid^ F. F. Osborne, Econ. Oeol. 2J, 724-61, 895-922 (1922) Pertain magmatic titaniferous iron ores and their origin J. Ott, Metallbftrse 16, 91-2, 146-9, 461-2 (1926) Titanium and titanium; compounds Special reference to the patent literature. ! G. p. Pamfil, Mon. sci. g4, 643-4 (1911) Estimation of titanium in silicates. - 10s - DU P055026532 A. Paafilow, J. Ohem. Ind. (Russ.) 4, 725-728 (1927) Titanium white literature study. , 0. W. Parmelee, Foote-Prints 2, 16-27 (1929) Titanium N. Parravano and G. Mazzetti, Rec.Trav.chim.Pays-Bas 42, 821 (1923' Reduction of certain halide's by means of hydrogen. Ti014 included. J. Pattinson and H. Pattinsdn, J. Soc. Ohem. Ind. l4, 443 (1895) Estimation of phosphorous in iron and iron ores containing titanium. S. L. Penfield and H. W. Foote, Am. J. Sci. (4) 4, 108-10 (1897) Composition of ilmenite L. Persoz, Aciers speciaux 4, 3-13 (1929) The century of metal. Brief discussion of properties and uses and statistics on the production of Ti included. F. 0. Peters and J.D. Hagar, Farbe und Lack (1928) 4l0 Titanium oxide in Amerioa O. F. von der Pfordten, Ann. gjJ, 257-99 (1886); ibid, 221, 201-75 (1^7) ,, Untersuchungen uber dae Titan Pure TiOg from rutile With K2003 0. F. v.d. Pfordten, Ber., 1, 727-30 Titanium A. H. Pfund, J. Franklin Inst. 188, 675-681, 1S, 371-379 (1919) The hiding power of white pigments and paints A. H. Pfund, J. Franklin Inst. 196. 69-78 (1923) Relation between the brightness and hiding power of white paint-pigments A. H. Pfund, Proc. Am. Soc. Testing Materials 22., II 369-78 (1923) 8ome optical properties: of white paint pigments in the ultraviolet spectrum Titanox included. A. H. Pfund, Official Digest No. 88, 13-5 (1929) The hiding power of pigments and paints A. Piccini, Gazz. Chim. ital. 12, 151-4 (1882); 12, 57-65 (1883) Oxidation of titanio acid F. Pisani, Oompt. rend. 22 298 (1864) The separation of titanio aoid and of zlroohlum Attack with bisulfate ot HaS04, Red. by Zn in H01 or H2S04. - 109 - DUP050026533 F, J, Pope, Trans.Amex. Hast .Min.Eng, 2%j 379u3^ 402 (1699) Investigation of magnetic Iron ores item Eastern Ontario Estimation of titanium in "i'iianif erous magnet lies. i 0* Prager, seif ensieder-*Ztg. 55, Chem.teoImtFal3r.25. 79-SO (192$) Titanium white J. H. Pratt, North Carolina Geol. Econ, Survey Bull, 25, l-lll (1916) Zircon, monazite and other minerals used in production of chemical compounds fcjr use in manufacturing lighting apparatus W, Pukall, Silikate-Zeitechrift 2, 65-76, 67-99, 109-16 (1914) Inorganic synthesis "* Titanates of alkalie3, alkji earths and heavy metals among salts prepared. * H. Rabate, Rev. Ind. ^ 197-206 (192?) June* 56, 337-341,August, 1926, Rev. de 1TIngen*, AugJ I923. Titanium white M. Ragg, Oh. Zeit.. 4l, 59 (1923). Titanium pigments M. Ragg, Farbe u. Lack (1927) 4l4-15, 426-7, 439. Microscopic testing of titanium white. ; P. Ramdohr, Neues Jahrh. Min. Abt, A. Beil.-Bd, ^4, 320-79 (1926 Observations on magnetite, ilmenite. hermatite and their relation to the system FeO-Fe,Q.-TiOa Rammelsberg, Ber., 5., 1006 Crystalline titanium dioxide E. 0, Raeeer, Bayer, Ind. & Gen. Bl. 54; 73-75 (1922) Titanium pigments, E. 0. Raseer, Farbe u. Lack p. 113 and 124 (1923)5 Oh, Zeit, 4l, 460 (1923) Titanium pigments C. Reichard, Chem.' Ztg. 21, 1-5j 26, 16-8 (1903) The reduction of titanic acid, vanadio acid, etc, by nascent hydrogen C. Reichard, Zeitachr* angewi ChemM 1, 124-26 Titanium nit rooyanide1 A specimen of this substance, obtained from the slag of a blast furnace, was purified by heating with HOI, HF, HaCr04, and H3SO4* When ignited in air, it gained 29$.. The Ti was determined by fusing with HKSO** dissolving in cold water adding CH3C03H and CH3*C03Na and boiling} - 126.72$ TiOa was obtained. Both these results confirm the formula T^CNlj., Comp, not vol. at white heat, C. Renz, Ber. 12., 249-50 (190<) Preparation of titanjlum tetrachloride and of tin tetraohlorid 110 DUP050026534 0, Benz, Helv.chim.acta. 4, 961-8 (1921) Photo-reactions of the frxides of titanium, cerium, and the earih-aclde. E. Repossi and V. Gennaro, Atti R. aocad. tincei. Roma (6) 4, 150-53 (1926) Minerals of the serpentine of Piossasoo. Ilmenite and titanite fdund. F. H. Rhodes land A. E. VanWirt, Ind.Eng.Ohem. 15, 1135-40 (1923) Effect of various pigments upon the rate of oxidation of linseed oil. J. W. Richards, J. Ind. Eng. Ohem., 8, 736-40 (1916) The metallurgy of the rarer metals. Titanium p. 739 0. Richet, Gardner and Goodbody, Cojnpt. rend. 181. 1105-6 (1925) Effect of salts of zircqnlum. titanium. and manganese on nutrition. No toxic action observed. Ti citrate had slightly favorable action on nutrition. G. A. Richter, Trans. Am. Elect. Soc. 25, 325 (1919) Role played by silicon flnd titanium tetrachloride during the fast war, n smoke screens. K. G. P. Riohter, Dissertation (Wurzburg, 1906), pp. 1-54. Untersuohungen uber das *Titan Copy in Ti file - Thornton A. H. A. Robinson, Gan.Dept. Mines, Mines Branoh No. 579,127 pp. (1922) ^ Titanium A.H.A. Robinson, Chem. Trade J. 22j 695-7 (1923) Titanium alloys and compounds Survey of present and possible future uses. 0. Roeer, Tidsskrift Kemi Bergvaesen 5, 152-5 (1925) Determination of vanadiuy. chromium, and titanium of iron ore. E. Roer, Ohem.-Ztg. 21 > 122$ (1909) The determination of titanic acid in ilmenite Na3003 G. Rohl, Ohem.-Ztg. 40, 105-6 (1916) The determination of titajnium in ferrotita.nl um H. E. Rosooe and 0. Sohorlenjmer, Treatise on Chemistry, Vol.II ,1923'. Titanium p. 832-849 . ' - Ill - DUP050026535 H. Rose, Ann. chim. phys., (2) ZJ, 333~77 (1623) Sur le tltane. H. Rose, Ann. mines, (1) % 223-37 (1624). Sur le titane H. Rose, Farb. Ztg. 27, 3017 (1922). Titanium white. Rosenheim & O. Sohfctte, 3- anorg. Chem. 26, 239 250 (1901) Double comocunds of quadrivalent titanium. A. Rosenheim L 0- forge, Ber. 932-9 (1920).. Molecular oomuoxmds of inorganic halides. VII.. Qxy-carbozylio acid titanatss, polyphenol tltaiiates and some analogous cmpds. E. 0. Rosnei, Techn. Mitt, ftlr Mai. Titanium -pigments. Nr. .4- (1923). A. J. Rossi, Iron Age (February 6 and 20, 1396) 571 354-*6. The smelting, of titaniffrous ores- A. J. Rossi, JV Franklin Inet. 154, 24-1-61 Q.903) Metallurgy of titanium. R. Rossi, Proc. Roy. Soc. bond. A 33-i 4-14-20 (1910) The influence of pressure on arc Bpeotra. Titanium. A. J. Rossi, Rev. Metal. 2, 121-33, 193-206, 491-2 (1925). Titanium and its commercial uses.. Use in Fe and' 'steel industry and in metallurgy of Cu. W. Roth, Ind. Eng. Chem. (News Ed.), , 6 (Jan. 10, 1923). Titanium pigments. In German News Letter. V. Roussel, Compt. rend. 2I 1102 (1373)* Determination of titaniwn and vanadium in basalts of Clermont-Ferrand Ore with NasC03. E. A. Rudge and F. Arnall, J. Soc. Chem. Ind. 42, 376-30 T (1923). wTitanium cyanonltrlde1* ;and the titanium oxyohlorides. E. A. de la Rue, Oompt, read - 134, 104-6 (1927). Some minerals of the Ivdry Coast. Titanite among minerals :reports. Cassiterite occurs in black titanite, a sample of which gave 37*1i<> Ti03. 0. Ruff, Ber., 42, 900 (1909); C.A., X 1377 (1909)Titanium nitride. 112 - DUP050026536 0- Ruff, Z. anorg. Ohem. 82, 373~^0 (1913)* Investigations at higher temperatures. I. Fusion and Vapor ization of refractory oxides In the electric vacuum furnace. HOa among- oxides studied. 0. Ruff and H- Brintlinger, Z. anorg. Ohem. 129. 267~75 (1923). Reduction of thorium, zirconium and titanium dioxide. 0. Ruff and F. Eisner, Ber. 4l, 225Q-64 (1908). Titanium nitride and a new class of titanium compounds- ' 0. Ruff and F. Neumann,; Z. anorg. Cham. 128, ,81-95 (1923)* Reduction of inorganic halides. II. Reduction of titanium tetrachloride. ' 1' 0. Ruff and A. Riebeth, Zeit. anorg. Chem. 173. 373^39^ (1928). Plasticity. 7. Plastic masses with different inorganic substances and'the possibility of their ceramic value. TiOa and TiOFa inoluded.'' ' Ruff and Schiller, Z. anorg. Ohem. J2, 350 (191,1). Tantalum and fiioblum pentafluorldes and -prep, of -pure acids. Sep. from titanic aoid/ 0. Ruff and 0. Treidel, Ber..45, 1364-73' (191?) New titanium compounds.' Prep, and properties ot T13N4. A. S. Russell, J. Ohem. Soo. , 129.. 497-8 (1926). Air oxidation of titanous sulphate solution. Vanadous sulphate, a new and powerful reduoing agv.nt. Titanous sulfate in.4N HaS04.stable in air- A. N. Sabin, Ind. Eng. Ohem. 14, 775 (1922). The paint industry. E. Schaaf-Regelman, Eng. Mag. 33. 91-98 (1907.) Rare metals and minerals and-their uses. Properties and uses of Ti' and location of minerals containing it. W. T. Schaller, Bull, 5O9. U. S. Geolog. Survey, pp. 9-39,(1912). Mineraloglcal Notes. 1 Series 2; A Study of the Rutile Group. Soheerer, Pogg. Ann. 64, 489 (1545)^ Titanium-iron ore with sulfuric acid. Scheiber, Farbe und Lack No. 44, 515"6, 527 (1925.) Titanium white. Review of methods of manuf. and properties. -113 -r / DUP050026537 R. Schmidt, Ber.-fjg, 400-4 (1925) Reaction mechanism of the reduction of titanium tetrachloride with hydrogen and the behavior oif the reduction product in...... vacuum E. A. Schneider, Z. anorg. Chem. &, SI (1395)Kritieche Studien auf dem Gebiete der Chemie des Titans. TiH and Ti3N4. W. R. SchBller and E. Deeding, Analyst $S, (1927). The separation of titanium from tantalum and niobium. W. R. Schoeller and A. R. Powell, The Analysis of Minerals and Ores of the Rarer Elements. Titanium, p. 39-99Detection and determination in ores given. M. J. Schoen and J. Rinse, Chem ifeekblad 26, 321-2 (1929). The detection of pigments .with.the aid of ultraviolet light. K. Schrftder, Zeit. anal. Chem. 63. 233 (1926). Separation of zirconium from titanium. A. SchT&der, Z. Krist, 66, 493-4 (1923); Fort. Min. Kxys. Petrogxad 12, 33-34 TT927). X-ray investigation of the structure of brookite and the physical -properties of the three titanium dioxides. A- Schr&der, Z. Krist..< &, 435-542 (1928). . The fine structure and physical behavior of brookite, and the change of Btate of the three natural forms of tltania- If. SchuSter, N. Jahrb. f. Mineral 1917> i> 45-49. Eruptive rocks for.the Bavarian Rhinenfalg. Ti - Fe orescontg.53.6 and 2s.03^TiOa. 0. Schfitte, Dissertation (Berlin, 1899), PP- l-6l. Ueber die Verbindungen der Titans&ure. Copy in Ti file - Thornton. R. Schwarz and W. Sexauer, Her. 60B, 5^0-2 (1927)* The constitution of titanium peroxides. HO .. OH HO 'OH G. W. Sears and L. Quill, J. Am. Chem.. Soc. 42. 922-9 (1925). Critical Btudles on the fusion of rare-aetal ores. I. Pyrosulfaie fusion of titanium ores. 114 DUP050026538 P. W Shimer and E. B. Shimer, Orig. Cora, 8th Intern. Congr. Appl. Chera. 1, 445-51 (1912). The voltunetrio determination of titanium. A. Sindlng - Larsen, London, Eng. J. 85, 5*3 (1909) Iron; titanium, titanium nitrides. J. T. Singewald, Bull. 64, U.S. Bureau of Mines, 1913* PP- 1-145. The titanif6>rous iron ores of the United States. W. Singleton, Chera. Age 17, Metal, sect. 1-3 (1927)> Determination of vanacTium in metallurgical products. Separation of V,' Cr and Ti^ J. A. Singmaster and F . G. Breyer, Ann. Survey Amer. Ohemistry, Vol. 1, (1922). Lithopone-titanium mixtures. D. P. Smith, Z- anorg. Chera. J2, 332-36 (1903)* The action of titanic acid anhydride on sodium carbonate. S. Sraolenskii, Z. anorg. Chem. 72, 293-303 (1912). Fusion experiments with bisilicates and titanateB. Following binary mixtures investigated: CaSiO3-CaTiO3, BaSiO3-BaTi03, MnSi03-MnTi03. W. 0. Snelling, U. S. Geol. Survey, Mineral Resources, 1901, 271-8. The production of titanium. Spence and Crundall, Chem. Tr. J. 8J, 78 (1928). Titanium Pigments. W- J. Sollas, Proc. Roy. Soc., Ser. A, 80, 267 (1908). On the intimate structure of crystals. VI. Titanic oxide, its polymorphs and isomorphs. Three forms of TiOa, anatase, rutile and brookite. K. Soraeya, Z. anorg. Chem; 145. 168-80 (1925)> 162, 368-81. The use of liquid amalgams in volumetric analysis. II. Oxidimetric determination of tungsten, titanium, etc, with the aid"'of lead arid bismuth amalgams. H. Spence, J. Soc. Dyers & Col. 20, 63 (1904). Some compounds of titanium an<?~their applications. Bt&hlex, Ber. H, 4405 (1904) ? JO, 2619 (1905). Titanium I. Hydrates of TiOla. A. St&hler, Ber. J8, 2619-2629 (1905). Titanium II. - 115 - DUP050026539 A. St8.hler and F Bachran, Ber. .44, 2906-15 (1911). Titanium IV. Prep, of Ti metal; red. of Ti cpd; formates of trivalent Tl. H. F. Stanley, J. Amer, Ceram. Soo. , 719~25 (1924). Suggestions for development in enameling technology; TIP< used. G. H. Stanley, J\ Chera. Met. Soc. S. Africa, 0, 163-72. Some experiments on smelting titanlferous iron ore. A. Stansfield, Iron Steel Canada 10, 263 (1927); Trans. Can. Inst. Mining and Met. 0, S02-TS (1927). Treatment of titanlferous iron ores. A. Stansfield and J. E. Morrison, Trans. Roy. Soc. Can. 20, 439-43 (1926). Blast-furnace slags containing titanium. A. Stansfield and W. A. Wissler, Trans. Roy. Soo. Canada, No. 111. 33-42 (1916). The smelting of titanlferous ores of iron. B. Stoughton, Trans.. Can. Mining Inst., IS, 140-52 (1915)* The smelting of titanlferous iron ores. S. W, Stratton, Director. Circ. of the Bureau of Standards, No. 14, p. 9, 3th ed. (1916). II. 9. Titanium in irons. tfitli HC1 and then with HF and HsS0*. G. Streit and B. Franz, J. prkt. chem. IQS. 65 (1S69) Pure titanic acid and separation from iron and zi no. Ore attacked hy (1) ksC0"3; (2) Acid'K sulfate; (3) chlorine; (4) HF and H3S04. Stromeyer, Ann. 113, 12J (IS60). Separation of Ti and Zr from Fe- G.F.A. Stutz, J. Franklin Inst. 202, S9~9S (1926). The testing cf paint pigments for transparency to ultraviolet radiation. V. S. Suirokomskii, 17. S. S. R.' No* 5&, Titanium and its com pounds, No. 1, 47-49 (1926). A review of the methods for the -production of titanium tetrachloride. 1 V. S. Suirokomskii, Natural resources of U.S.S.R. No. 56, Titanium end its compounds, No. 1, 49-53, 53~5 (1926) Review of methods for the production of titanium dioxide and titanium carbide. - 116 - DUP050026540 V. S. Suixokomskii, Contribution to the study of the Natural Resources of the U. S, S, R. No, 56, Titanium and its compounds, No. 1, 5&-73 (192)* Titanium ore deposits In U-. S, S-, R. V. S, Suirokomskii, Contributions to the Study of the Natural Resources of the U. S. S. R. Nov 56, Titanium and its compounds, No. 1., 7^-lOS (192o). Titanium and its application in the industries. Ti and its cpda,; Ti in earth's crust* chief Ti minerals, metallic Ti;. use, of Ti in paint industryj etc. Each sub ject accompanied by a bibliography. M, Talent:., Giorn. Chim. ind. applicata 10, 26l-4 (1923), Titanium oxide a,; a new white pigment. G. Tammann, Z, anorg. chem. 4l. 370-372 (1905) Action of silicon on meta'tTtanic acid hydrate. G. Tammann and H. Raising, Z, anorg. Chem. 149. 6B-B9 (1925), Chemical reactions in powdered mixtures of two kinds of crystals, 'IV1. . 3iqa Tfo7, ZrOs, Sb303 and As303 with basic oxides. H. Tertsch, Z. Krist. Festbahd P.v. Groth 5S, 293-30^ (1-923 Inferences from the lattice structures for titanium dioxidev W. It, Thornton, Jr. Titanium. Chem. Catalog Co. 1927. W, M. Thornton, Jr., Am. J. Sci. 34* 214-S*. Z. anorg. Chem. 72., 190-94 (1912). Estimation of titanium in the presenoe of iron, W. M. Thornton. Jr., Am. J. Sci. 37., I73"*g>, 2. anorg. Chem, S6, 407-12 (1914-), The use of the ammonium salt of nitrosophenylhydroxylamine (*oupferron") in the quantitative separation of tltanium~Trom iron. W. M. Thornton, Jr., Am, J, Sci. 22> *07-14 (1914). The separation of titanium from iron, aluminum, and phoB- pHoric'acid with the acid of the ammonium salt of nitx'osophehylhydroxylamine. W, 11. Thornton, Jr. and A. E, Wood. Ind. Eng. Chem. 19, 150-154 (1927). Standardization of titanium sulfate solutions. - 117 - DUP050026541 2. Thorpe, Dictionary of Applied Chemistry, Vol. 7, 1927Titanium, p. 70-7o. fi cpds. - suggested for use as pigments as far hack as 1346. T. E. Thorpe, J. Ohem. Soo., 37., 327 (i860). Properties of titanic chloride, pp. 329-30 and 386. On the relation between the molecular weights of substances and their specific gravities when in the liquid state. A. Tian, J- Ohio; Phys. 19, 190 (1921); Noll. Zeit. 14, 149 (1914). ~ The slow hydrolysis of salts. W. B. Timm. Metal Industry, 2B. 214 (1926). Electrolytic iron and titanium pigments; Utilization of Canadian iimenite ore. Ore with carbon. G. H. Tipper, Records of the Geological Survey of India 44, 1S6. The monazite sands of Travanoore. Titan Company, lets over verf en hare verdienste. Frederiksstad, o. J. Titan Company, Titanwit voor schepen. Frederiksstad, 0. J. M. Toch, ind-. Eng. Chem. IS, 94S (1926). Paint and varnish - yesterday, today, and tomorrow. E. W. Todd, Univ. Toronto 8tudies, Geol. Sex. No. 16, 40-5 (1923)* The estimation of columbium, tantalum and titanium in minerals. R. J. Traill, Can. Dent. Mines. Mines Branch Fo- 6SS, 95"6, 96-101, (192ft). Report of Investigationsjhydrometallurgioal laboratory. Metallization of iimenite. High-grade TiOa concentrate obtained. R. J. Traill and W. R. McClellan, Am. Electrochem. Soc. Pamphlet May 1929. Metallization of the oxide of iron in iimenite.' R. J. Traill and W. W. McCIellarid, Canadian Chem. and Met. 13, 265-26S, 272 (1929). Metallization of the oxide, of iron in iimenite. R. J. Traill, W. R. McClelland and E. A. Thompson, Can. Dept. Mines, Mines Branch No. 670, Sl-S (1926). New process for the treatment of iimenite for the recovery of electrolytic iron and titanium oxide concentrate for pigment and other purposes. - llfS - DUP050026542 W. D. Treadwell, Helv. Chim. Acta 4, 551-65 (1921). Reduction with zinc and cadmium In quantitative analysis. Tetravalent Ti reduced. Treadwell - Hall, Analytical Chemistry, Vol. II. 1919 Titanium, pp. 100, 114-19, 504, 843-48. P. Truch'ot, Rev. gen. chim. 8, 172-76 (1905) The determination of titanic acid in minerals. Ullmann, EnzyklopSLdie der technischen Chimie, Vol. 11, 1922. Titanium - p. 176-134. C. van Brunt, J. Amer. Ghem. Soc. j>6, 1426 (1914). The volumetric determination of titanium and chromium by means of a modified reductor. R. T. Vanderbilt Company, Paint, Oil and Chemical Review 89, 4 (1920); Oil, Paint & Drug Reporter 117, 26 (1930). Rayox (pure Titanium Dioxide). E. Vigoroux and G. Arrivant, Bull, soc. Chim. (4) JL, 19 (1907). The preparation of titanium tetrachloride. From ferrotitanium. E. Vigouroux and G. Arrivant, Compt. rend. 144 , 485-87 (1907)New methods of formation and preparation of titanium tetra chloride. Three methods from ferrotitanium. A. Vila, Tech. Modern* 21, 397-402; 434-439 (1929)Titanium oxide pigments. A. Vila, Peintures, Pigments, Vernie 6, 1033"103S (1929)White pigments and titanic oxide. Same as Tech. Moderns 21, 397-4o2; 434-439 (1929)- Johan H. L- Vogt., Zeit. prakt. Geol., 1900, 233-242. Ibid., 1900, 370-383. Ibid., 1901, 289-296. Separation of titaniferous iron-ores in basic igneous rocks. Analyses have been made to determine which elements are oon- centrated with the titanium and which are not. Details are given of the method employed for the estimation of titanium. A. Voomaer, Chem. feekblad, 726-33 (1912)* Titanium-iron send. In Java. Canada, Australia, New Zealand, Norway, etc. - 119 - DUP050026543 A. 0. Vournasos, Z. anorg. Ch. 81, 3^4-68 (1913) . Reduction of pertain volatile halogen corn-pounds fry -potassium powder. TiCl4 included. I. Wada and T. Nakazono, Sci. Papers Inst. Phys. Ohera. Res. 1, 139-5^(1926). Separation of iridium and titanium. J. Waddell, Analyst, 44, 307 (1919)* Rapid method for the estimation of titanium in titanlferous Iron ores. H. Wagner, Fart. Zeit; 32. 5^6 (1924). Progress in the pigment and laoouer industry. H. Wagner, Fart. Zeit. 34, 1243-1245 (1929). Titanium white catalysis. R. Wagner, Bex., 21, 96O-2 (1888) J. Qhem. Soc., 54, 557 (1828). Titanium Chloride and, titanic acid. H. W. Walker, Ind. Eng. bhem. 11, IO6I-5 (1925). Screening smokes.. Titanium tetrachloride, p. 1063; P. H. Walker, J. Amer. Ohem. Soc. 20, 513 (1892) Applications of hydrogen peroxide to quantitative analysis. Separation of titanium from iron. P. H. Walker end E. F. Hickson, Ind. Eng. Chem. 16, 1142-43 (1924) Paints, resistant to sulfide. fumes-> E. J. Wall, Photogr. Com. 63, 33"34(1927)* Titanium salts as mordants. J..H. Walton, Jr., J. Am. Ohera. Soc. 2^, 421-25 (1907)The colorimetric determination of titanium. C- H. Warren, Amer/ Jour. Sci. 25, 23 (1902). FHSO* method for Ti. C. H. Warren, Am. J. Sci., (4) 31. 263-77 (1912). The llmenite roc^s near St. Urbain. Quebec: a new ooourrenoe of rutile and sapphlrineT C- H. Warren, Econ. Geol. 13. 419-446 (1912). The micro structure of certain titanic iron ores. - 120 DUPO5O026544 W. F. Washburn and J. McGougan, Proc. Paint & Varnish Soc., March 1921, pp. 4l~6l. Titanium, its production, properties and uses. H. S. Washington, Quant. J. Geol. Soc. 6j, 69-79 (1907)The titaniferous basalts of the Western Mediterranean. / H. S. Washington, Manual of the Chemical Analysis of Rocks, 1919Titanium dioxide, p. 167-177- G. B. WateThouse, Chem. Eng. 2> 193 (190S). The estimation of titanium. Trans. tit Ledebui1s methods. - 121 - j DUP050026545 T. L. Watson, J. Wash. Acad. Sci., 2, 4-31-4 (1912!). Vanadium' and chromium in rutile, an&the possible effect of Reprint in Ti file - Thornton, T. L. Watson, D.s. Geol, Survey, Bull, 580-d, 385-412 (1914). T. L. Watson, Aa% Mineral,, 7, 16,5-8 (1922), RutiTe-ilmenite intorgfowtha. T. L. Watson, J, Wash, Aoad^ Soi,, i, 447-54 (1922), Of.Watson? Am. Mineral,, 7, 165-6 (1922) > ' Oeclogy^of a vein occurrenoe of rutile-llmenite in a new T. I. Watson and 0, Steiger, J,Wash, Aoad, Soi,,^, 665-76 (1918) fjtewtagfiK. I, 1. Watson and S, Taber, U.S. Geol, Survey.Bull.4^0,200-13(1910) The Virginia rutije deposits< ' T. L. Watson and S, Taber, V*.Geol,Survey,Bull, 3A; Met.Ohem.Eng. 12, 573 (1915)/ gfiglggy Qf titanium amid apatite deposits of Virginia. Rutile deposits and ilmenlte-apatibe occurrence. T. L. Watson and J. Hf Watkins, Am,J,Soi,,(4) 32,195-201 (1911). Association of rutile and cyanite trok- a netrTooality. Watt*s Dictionary of Chemistry, Vol, 4, 1902. Titanium P. 737-749. * H. Weber, Zeit. Anal, Oheni, 5i, 498-504 (1912). The, analysis of titanium- containing material, Ppt. of titanic acid after fusion,;. V E. Wedekind and H, Fischer, Ber, 6g>, 5i*4M,5 (1927). Action of Berlin blue oa metal .fiyaroxtdes. 0, Wegelin, Kolloid - Zeit. 4, 65-69 (i$l4). The preparation of colloidal sffi.utiong. by. meohanioal divieion. Titanic acid included,!' *^ 7.y . ! Weiniand and Xflhl. Z, anorg, Ohem, 54. 253-55 (1907). Compounds of titanium sulfate and^Slk&lIne-oarth sulfates. - 122 - DUP050026546 L. Weiss and H,, Kaiser, Zeit. Anorg. (Jh. 6fj, 345-402 (1910). Metallic titanium. Red. of Ti opds. A. Weller, Bex. 15, 2592 (1882). Detection and determination of titanium. H. b. Wells, Introduction to Volumetric Analysis and Combustion. New Haven. 1916. iron and' titanium dioxide - p. 7- H. L. Wells and W. L. Hit obeli,. J.Amer .Obem. Soo.lj, S78 (1S95) Volumetric determination of titanic acid and iron in ores. Ore with cone. HC1. Then with HaS04 {1:1). R. 0. Wells, J. Am. Ohem. Soc. U, 504-7 '(1911). Sensitiveness of the colorimetric estimation of titanium. R. C. Wells, J. Am. Ohem. Soc. 50, 1017 (1928). Note on the T. Lawrence Smith Method for the analysis of samarakiTe. Hydrofluoric acid method. P. Wenger and T. Wuhrmann, Ann. Ohim. Anal. Chim. AppJ.1,337-9 U919); I, 139-42 (1921). Separation of iron, aluminum, chromium, beryllium, titanium and zirconium- by the sodium' carbonate method. E. T. Wherry, Proc. Nat. Acad. So. Washington 51. 62-SS (1917). Remarks on alunite. PBilomelanite and tltanite. N. Whitehouse, J. Soc. Chem. Ind. 738-39 (1907) The fixation of nitrogen. Ti3N4. * 1. Wiegand, Zeit. anal. Chem. gl, 510 (1SS2). Determination of titanic acid in the presence of iron. Red. by Z11 in pres. HaS04. F. Wilborn and A. LSwa, Mitt.Inst. Lackforschung 1.,125-126 (1926) Determination of titanium according to R. Berg. H. Wilkinson and A. G. Tyler, Journ. Soc, Dyers Colourists, 4-3 114-115, 225 (1927). Stability of titanium sulfate solutions. H. I. Winch and V, L. Chandratreya, Ohem.News 124, 231-32 (1922). Volumetric determination of TIP* in bauxite. - 123 - DUP050026547 F. Wirth, Ullmann, 'Enz* Techn, Chea. .11, 1$ 2-184-. Titanium oxide. H. Wirthwein, Dissertation {Berlin, 1906), pp. 1-59. Beitxage zur genntnis des Titans und Vanadins. Copy in Ti file - Thornton. F. Wohler, Ann., 7%, 212-14- (1850), Methode zur Darstellung reiner Titansaure. Ibid., 73,34-4-9 (IS50). Ueber die Natur des metallischen Titans. F. Wohler, Ann, Chim. phys., (3) 29, 166-87 (1850b Ibid.,(3) 28, 382 (1650). Sur le tltane. F. Wfihler and J. Liebig, Pogg. Ann., 21., 57S-80 (l$31.) Vermischte chemische Notizen 1. Tit8neisen. L. Wohler, Kolloid - Z. 2&,. 97-lll (1926). Luminescence on heating the oxides of chromium, iron, zirconium and titanium arid' magnesium pyro'phosphete. Titanic acid "is luminescent whether pptd. from hot or cold soln. H. Wolff, Farben Zeit. 21, 2''29~33 (1928). White pigments. Includes titanium white. H. Wolff, G. Zeidler and W. ToSdte, Farb. Zeit. 21> 2^29-2733 (1928). White pigments, TiOa pigments included. Wolski, Zeit. angew. chem, (1925) H. 33^ The evaluation of white pigments. E. W. Worden, Chemical Patents Index 1., 5^6~7 (1927). Lists many patents on extraction, manufacture and use of Tl compounds. E. Wurm, Gummi-Zeitung 4J., 2752(1929), Titanium white or lithoponei D. M. Yost and S, Zabano, J.Amer.Chem.Soc. 4&, 1181-87 (1926). The kinetics of the oxidation of txivalent titanium by iodine. Ferruccio Zambonini, Atti R. Accad. Lincei,(V) 11, 291-95 (190&). Constitution of Titanlte. . Calcium salt of a complex titanosilicic acid, TiO;Oa;Si;03Ca. - 124- - DUP050Q26548 G. Zerr, Farben-Ztg. j4, 1430-1 (l$29). Prussian blue and titanium white in light , American Sac, for testing materials. Tentative methods of routine analysis of titanium pigments. (1924) I- 59-863; II _ 352-356. Tentative Standard 1924. 253-257. American Society for Testing Materials. Standards Adopted in 1925. Separate, 117pp. (1925). Analysis of T1 -pigments included. American Society for Testing Materials. Tentative specifications for titanium "barium pigments. Tentative standards 1927> 327-326; 192$, 322-323- American Society for Testing Materials. Tentative standards,1926. X - 1127-1123. Tentative specifioations for Ti-Ba pigment included. Brick 21, 99-101 (1904). Rutile - the most important compound of titanium. British Standard Specifications O.B. (B) 3980. White titanium dioxide pigment for paints. London, 1927* Brit. Eng. Standards Abs o c . No. 392 (1929). British specification for white titanium dioxide clement for paints. Anon. Bull. Imp. Inst., , 134-45 (1911). The distribution and uses of titanium ores. Bull. Imp. Inst. No. 1, 1917- Mining Mag. 1J, 137-41 (1917). Titanium and its uses. Le Caoutchouc et la Gutta - Percha 26. 14663 (1929). Titanium oxide in the rubber industry. Chem. & Ind. 44, (1925) 609. Titanium white. 3 grades: Titanox A - pure TiOs " B - TiOa with BaSO. C - TiOa with CaS04. Chem. Ind. 4> 568 (1925); 4$, 244 (1926). Titanium white manufacture,. - 125 - DUP050026549 Chem., lad. 4^, 161 (1926), Titanium white preparation. Chem. Ind. 50, 502 (1927). Production of titanium white. Chem. Ind. 50, 7S4 (1927), The Norwegian titanium white industry. Chem, Ind, -50, 1019 (1927), Expansion of the National Lead Co; Ohem. Ind. $2, 1391-1396(1929). World production of titanium, vanadium, -to. The Chem. Trade J. 63, 407 (1920). The new Norwegian Titanium-white industry, Ohem. Trade Journ. 80, 405, 4l4 (1927). Titanium white. .National Lead Co. and Titan Co. merger. Chem. Trade Journal 81, 370"371 (1926).' Titanium Pigments. Chem, Trade J. 82, 66l (1928). Japanese Titanium Ore. Important deposit of Ti er.e discovered in Japan,. Titanium Co. formed, Japan Chem. Trade J, 1, 102 (1928). Titanium oxide pigment. Production of e new American plant. Commercial Pigments Corp,' Shortened account of B.K.Bronon's article in Chem,. and Met.' July,' 1928. Chem. Trade J, 8^., 4'?6 (1929).' Titanium oxide in skin ointments. Chem. Zeit. 4, 468 '(1919b`ifcib 995 New titanium white factory. Titanium white. In Frederikstadt. Chem. Zeit. 51, 24g (1929). Titanium white. Pert of Hixson and Plechner's article in Chem.4: Met.36, 76 (1929). Drugs, Oils 8nd Paints (1928) 349* The National Lead Company. - 126 - DUP050026550 Drug*, Oil* & Palivt* ^, 313 U930>. Imports of titanium ore*. Electrochem. Met, Ind, J, 265 (1909). Titanium oxide. Engineering 106. 50 (1916). Titanium and rutile. Occurrence, uses, etc. Eng. Mining J. 61, 761 (1909). Brasilian Monazite. Eng, Mining J, 7,XU^- 150-1 (1921). The mining Industry in 1920. Pncommon ores and minerals. Includes Od. Oe: Se. Te. Ti and 2r. Eng. Mining J. Press 11$ Ho.. 3, 69-166 (1923). Fifty-fourth annual review and year book. Mining, metallurgy., trade and other industrial information for various metals, including Ti, Eng. Mining J. Press 119. Mo. 3 (1925)* Fifty*8ixth annual review and year tool number. Mining and trade Information for 1924 on Ti among other metals and minerals. Eng. Mining J. Press 3,21, No. 3 (1926). Fifty-seventh annual review and yr. bool number. Mining and" trading information for 1925 on Ti among numerous other metals and minerals. Eng. Mining J. 12$, No. 4 <1927). The flfty-eilihth annual review and year hook number. Mining and trade information for 1926 on Ti among numerous other metals and minerals. Eng. Mining J. 125, No. 3 (1926). Mining and trade information for 1927 on Ti among other metals and minerals. The fifty-ninth annual review number. Farbe und Lack (1926) 162. Standardised Titanium-zinc white pigments. Farbe und Lack (1926) 426-429. Titanium pigments and their preliminary treatment. - 127 - DUP050026551 r Farbc und Laok (1927) 43$. Fare white titanium pigment. Farbe und Lack (198-7), p.44$. Titanium white* production. Farbo.upd Lack No* 30, p.359 (1929)* Titanium. Pigaoftts. Abstract of Br.. 30$,725 .of 192$ to Titanium Pigment Co. Fairbo tmd Lack No. 34 - 337 (1929) Preparation of titanium white. Farb. Zeit. |., 11$9-H93 (192$).. Farbcn* Zeit.. 557 (1927). Concentration in titanium white production. Farb. Zeit* j4, 1619; 1731-1732 C1929)-. Titanium white in the enamel industry. Farben. Zeit,. ]&, 7$ (1929).Titanium dioxide and .titanium -.white,* ':;* & correction. Die Farbige Stadt 1927, 1$G-; 192$, 3Q. ' gronos Titanium White. Foote - Prints 2, 63 (1929).. Titan yellow has been the recognized standard of. purity and uniformity for over a quarter oontury. Gummi - Zeit. 44, 31 (19.29). Titanium white or lithdpohe? Imperial Institute Bull.. (London) 20, 351-53 (1922). Recent developments in the use or titanium dioxide as a pigment Description of Ti pigment plant in Norway. Capacity, ore used, method of manuf, products. India Rubber World $31, 72 (1930)* Titanium Pigments. Ind. Eng. Chem., 16, 370 (1924). Isolation of titanium. Ry s, J. Lubowsky of ifetal and Thermit (3orp. on commercial scale. Iron Age. 4, 1223 (1909). Tltanlferous iron ore smelting at Bethlehem. * 12$ - DUP050d26552 Mineral Ind. 28, 6S5-7 (1919). Titanium and zirconium. Review of the industries. Mineral Ind. 2, 677~go (1920). Titanium and zirconium. Description of Norway process. Mineral Industry of the British Empire and Foreign Countries, 1919~1921. Titanium. Mining Journ. (London) 128. 1$7 (1920), Production of titanium white. Early history of project, methods, uses, capacity of plant, and name of operator. Mining Sci, PresB 28., 896 (1909)i Mining World 36., Rutile deposits of Virginia. (1912). Oil and Colour Trades Journal Z5. 1*&8 (1929). Manufacture of titanium white. Oil and Colour Trades J. j[6, 14-31 (1929). Titanium Pigments. Oil, Paint and Drug Reporter, 115, 31 (1929). Glidden gets Chesapeake rights for titanium oxide. Oil, Paint and Drug Reporter 116, 29 (1929). Titanium whites renamed. Paint, Oil and Chem. Review SSj 22 (1929). Titanium Pigment prices lowered. Peintures, Pigments, Vernis, Dec. 1925 The paint industry in 1924. Peintures, Pigments, Vernis 5, 73S (1928). Blancs de Titane "Kronos". Peintures, Pigments, Vernis 6, 933~37' (1929). Titanium oxide. Proc.Am.Soc, Testing Materials 24, I 443-51, 859 (1924), Methods of analysis and reports of collaborators on the analysis of titanium pigments. Queensland Gov.Mining J. 10, 6l (19Q9)> Australian Mining Standard 38., 533, 5^0Tl907). Rutil-e in Queensland. - 129 - DUP050026553 Reactions, 12, JO-1 (1920). The increasing use of titanium. Second quarter in Ti file. Rev. Chim. Ind. 27, 204 (1912). Preparation of titanic oxide in treating; a titanic and ferruginous substance. Rev. Gen. deB 'Matieres plastiques, 2> 529-59^ (1929). Titanium oxide as a pigment. Rubber Age (N.Y.) 26, 5^2 (1930). Titanium White jj^bant Closes.. Times Trade and Eng. Supplement (London) 22, 32 (1922). Titanium salts and pigments. Principal outlets. Review of main processes. Monk-Irwin process for Canadian ores. Titanox Pigment, 1922, p.1-22. Titanium Pigment Oo. Magazine. U.S.Gov. Master Specification for Outside White titaniumzino paint, semi-paste and ready-mixed. Giro. Bur. of Standards 219. 1-12 (1925)- World Trade Notes, Sept. 19, 1927 > P* 1* Titanium oxide - Italy. Soc-, AnoSima Titanium of Milan operating plant at Bovisa for prod, of T103. World Trade Notes 2> 5 CX929) Production of titanium white ,in Australia. World Trade Notes 4, 7 (1930). German Manufacturer of Titanium white suspends operations.. - 130 DUP050026554