Document 0JzXNgJz6oZp5be6GXVMrebgm

LIA24729 ' 0 i ' -y /. 4i?-i , 0.1, *, /* LEAD INDUSTRIES ASSOCIATION, INC. SSI MADIION AVINVI NEW YORK 17, N. Y. februtrjr 26, 1962 SUBJECT: LEAD ABSTRACTS To HeEber* of the Lead Zndu4rtriea Association, Inc.: Biclosed 1* the first issue of "Lead Abstracts" prepared and dls* tributed under Joint financial arrangement* reached last year between the Lead Industries Association, Inc., American Lino Institute, Inc., Expanded Research Program of ADI and LIA, the Lead Development Association of Loodoa and the Line Development Association of London, as explained on the inside front cover and In the introduction. If you vleh to receive "Lead Abstracts* regularly, please detach and return the stub at the bottaa of this letter after filling it in appropriately. If there are there in your organisation to vhess "Lead Abstracts" should be sent regularly, let us have their nans as veil. IK UE DO HOT RECEIVE A RETURN FRCH YOU, V2 WILL ASEUW TEAT YOU ARE ROT INTERESTED AND YOU WILL NOT BE D4CLUIED OH TER HAILUO LIST BEDO ESTABLISHED KOR THIS IT3U0EICAL. Vo are also planning to give then vldcr distribution to university and company libraries, researchers and others Interested. Details of distribution outside our membership vlll be sent you at a later date. Very truly yours, -Pr '&sr7? RLZ:mk Executive Vice President I wish to be kept on the list to receive future ailing* of "Lead Abstracts" Kane ______________________ Cocpany Address ____________________________________ Please add the following names: o to* Ah**t Ltd LI A24730 N 1746.01 nwtm'ws.1 LIA24731 Lead Abstrtods in?l it* compimofl publication, Zinc Abstract*, are now prepared in the new ZOA IDA Joint library. Between (hem. the two publication* r*>*ew ait current worid literature on the utei oi the mvt*l and ther product*, and alt puhi<V'Md research wcrlu The library maintain* fU indeies for eiy refarenca o pad and preient literature, molt of which is available in the library and can ba borrowed by enquirer* living in the United Kingdom, Foreign enquirer* can be *uppl>ed with photostat copie* at coat price in *o far at tha Copyright Act allow*. Reader* in the United State* who are not able to borrow material from the library can order photostat* through the American Z<nc Institute or the lead tnduatnea Association. Trenatationa of (he more Important articled published in foreign languages are available on request Al request* for loan*. photocopies, or translations should quote the ind,rrduaf abstract numbers of the Items needed. The library, which fusts for the service of iI*h . ew Uad user* throughout the world, is jointly financed by the Zinc Oevefopment Association and tha laad Development Association of London e* wed at by the American Zinc Institute, the laad Industrie* Association end the AZi/LiA Ctpanded Research Program. These American organisation*, whose office* ere al ?W Madison Avenue. New York t7, wU mamlem duplicate card indeses of Current materiel coming into the library tn London, end el enquiries from the American continent should be addressed to them m the first instance. OaeerRceUow Alongside each abstract a bst of mdea headings (un,term*) <s given. Each uniterm corresponds to one concept and when they ar# combined, the abstract is completely indeaed. The n,terms are det'be'alefy numerous to sae time in literature search.og *h.!e Seeping the punched card nde comped. Refer* r<*ces ran tt-n be traced even when only some of the terms ere quoted A mo't detailed account of the mdea md rtf use (a a 'able to lbr*ran* wishing lo adopt a sim.iec system.  -*1 II > lllijn Ll^732 --- Lead Abitracte / Volume 2 / Number 1 / January IMS > LM Mrlil m- TH^~W j**tie iheathing j P ulema ) KiMtd ftftd ertruded lead | AHaya | leed p-gmenli aod'flnert 4 lad <hem+<#* $ t'Kt'Ofl'C P^>C1<(I4 | Ited production Metallurgy and | wecha*.cel propertlet 10 CorroeJon 10 Phyaci, chemiitry and **!?<! oU+ad 11 M.icetianeoua tf AbMrM.lt: 711`SOt Th<t it the flrtt litue of the Lead Abttrecta to r form, and from row on they w*B appaar monthly toitaad of quarterly. The merging of Iha flbrartet 0* tho IDA and ZOA, and tha two* pc<i of their American counterpane, the UA and AZ1, hae edited a wider Paid to ba covered. and a mora comprehend*# c'Mftifkation tchem# wil allow Information to tha form of Aral* Hai'd rafarancaa to ba found without delay, in t** t it tue mantioo it mada of a new boob on Laad Cabto Sheathe (?V). md tha recent edanc*e to the tubular leed-eefd badary (7W) art reflected In tha patent litaratura (7M, 709). Tha effect of modern detergentt on pluming tjrfttemt if mentioned, and It If thown that tha active conitrfuent < capable of dieaoMng tto from a tMder Jc*M (760)- An account it gi*an of a laed-tefluride therms coupa tytlem developing 3 W (7S3). but other devetopmente hav ing '*~*f potential martatt ara tha addition nf *<jphetk ac*dt to patio-'t (7*0) and tha ute of faad to Una domettk floe pipat (7MV Tha formar Invention thowe how tha Introduction of thata acida to patrola containing faad organka may ralta their octane nwmbart ttHl further etaneglrgiblacoet end, conaeqwentfy.theemoord of lead In thoaa petrol* whkh now contain Uttle. or even none, should ba increatad. lead-lined fletible dwelt for floe p . a twV ,act to corrcaion fra likely to ba required in increeting quantified it tmobMett lonat tp'aad and more domattk heating it con* tanad to e*l or gat, a change whkh wilt tend to promote Internal com>*on of unprotected chimney*. Introduction pWU m&m 1 . *. i Electrical Cabfo Shoolhing W*d Alloy Cbto* S**oth*r*f Citrwtco^ Fowlto Battorioo 1*04 Ac*4 ofitrioo Antimony An.'>dthydo Codrmufll Swfphoto A An<*i<0)vol l*d, Ac*d 6*r<*-* Twbt and pH and *haa<* Ptva*ft, ft**a, Tarya*a 4 IwL AC ton**t, Gr>d CoitroC fv Srvo^i ctstv* Proiacfcoo L**-l Ac*d t 7ft load and load alloy cablo ah aatho S. A. Hi tax*. Book pubiufttd by Co h U &*nn Ud, London. 1961. Num. IHut. SCI pf Otipita companion from othtr malarial*, fo*d romain* tho moat Important malarial lor oioctrlc cabla *hoothlng. Hi production, propartiaa and application* ara daacrtbad and roforonc*t lo original malarial* ara Inctwdod. Laid aMoyi uiad, manufacturing duipmant and modam procaatai ara covarad. Extrusion dofactt, thair cauaat and oUmlnation a/a dlacvaaad. T3t Patent ITt.tTV Improvement* In load-add battorfe* EJtclric Stortff* Bttif7 Ca Ocl im. f941. The Invention relate* to an electrolyte for reducing aetf ditchorge of the negative electrode, J.e, local action. In laad/acid storage batteries with load-antimony alloy grids. The oloctrolyto c o as JiU of a dilute solution of sulphuric add containing an aromatic aldehyde, or ono of Hi oildetion and rodocfion product*, In an amount of 110g/t. Anieeidehyde, anlsekohof and anisic add ara Suitable addition compound*. Cadmium sulphate may bo Incor* porolod In Iho oloctrolyto in an amount of 1*10 g/l; on aromatic aidohydo/codmium auiphoto miiiuro la aaJd to ba tho moat effective oloctrolyto additive for reducing local action. 70S Patont I7MN Improvement* rotating to tho positive plotoa of lood-acid typo ofectrtc accumulator* C / Bv&txrt. Oct 11th, 1961. Thia patont refor* In gonorol to tubutor*typo platee and fftya a claim to ono woven out of pofy*thyfono terephtheJate (eg. 'Torylono*), (mprogntod with on organopoiytrioiano. In particular tho phenyl-methyl resin. ft it clounod that tho uao of 'Toryfono' protoclod from ot*deton by adicono redo roaufta in auporior plate. 7*4 Patont 179^8 toiprovooionto la oo rotating to M ofocVta coll ferdnay /nfavn#6one/ Corf. Oct ttth, 1961. Ootatla ora given of an electric cod. fittod wfft an Ion parmoobio metal control grid, designed to reduce the likelihood of growth* of active electrode materiel extending k o s s tho apoco between tho oloclrodo* and cawtJng a short cirtvh. Tho negative aloctrodo ufd with an acidic oloctrolyto contain* too I ond that u*od with an alkaline oloctrolyto contain* line 7M Patont* 1*1,4W 4 Qactfc Kcnic.'ltar Uttary P. J. Mod. Nor. Id. 1961. Improvements In tho fitting and ventilating lyi o.'O for add tatteriea aro defined In thoso patont*. mesgm XRPW6" n ..... tw-p fZ LIA2473A ftt Patsnt t&,?t7 Impravamants In and relating to tha production of fabrics mi.CourtmUi (frf. Oct. /a , A process Is cUlmod for Ih# production of a fsbrio luHabla forth# mnuftcturo of laad accumulator plaits giod In tubular accumu lator*, A monofilamant poiyalhyltnt yarn having a dantar of at Itast IbO If wovtn Into a doublo plain fabric In whkh ths plain *evf fabrics Jntartaca at ragular Intervals acroac tha warp to form a aarlas of tuba* dlspytad aida by slda, Tha tub*-* an than haatad on a aortas of rods flltad Mild* tha tuba* to a tamptfature bolow tha malting point c* polyrthylsna but lultkionl to rafaa and to sot tha yarn. Pofy** Ethyiana, load Plata# and ahoota fUnanat Tuboa and pipaa 747 Radiation acroonlng panala Anon. Nvchtt Cngng. No*. 1961. I (M). 4St. 1 ffg. ISO WarSx. Tha panala art datlQnod for u m In X*ry and low aoargy r^ray work, wharf radiation lavcta art not high tnoogn to require a wad of taad brlcki. Thay consiat of tha nactitary thlcknaas of taad bondad to chipboard or othar matarlal. Radiation laakaga at tha Jolnis is pravtntsd by taad strips, bushings and ploga M Into tha panaft and Into tha framaworiu Tha panala hiva undargona savara climatic lasts. Paint or anamaf may ta applitd aflat ssaambty. Rottad and fxtrudad taad Radiation ShlaWna laad, Roflad Strip, XRayt taatag* Protacfton Gamma Rays 744 Corrosion of soft soldar by datargants Anon. Lngng. Mitt*ult and Ossip*. No*. 1961. 4 (M), 74011 Mre. IS'ordi. Corrosion by darivatriss of sulphonic acid In concantratton tvon batow t% may causa toui fadure of a Joint Tin la saiactivffy dls* sofvad. Tha problam is most troublasoma In sawars but a changa* Ortr to ncn4onk dafargants may in tims raduca tha dangars. Attoyo Corrosion Soft. Soldar Oatarganta Swtphomc Aod, Tm 744 Patant Method of producing auctaar fwal In tha form of grains Wiisi>*ch*fU<h-t*ch<%iiet>t Bfro /Or A#jJUdrbr. Od Ttffh, 1967. Atomic hydrogen is usad to radvca tha fuai matal oi*da parties on tha Sudaca of tha carriar metal malt to ansur watting of tha fw< partklas by tha malt- Th* carriar matal malt may consist of taad or bismuth, or of a twtactx taad'biimuth alloy, or of ona of thasa mU!a afloyad with tin, lithium, sodium, and/or potassium. 77f Otssof angina baarfnga 0 C. Chr/itopftarsjrt. fnyng. Orpesf (Canada). Oct 1961. 7 (70), M. 1 ftgt. 1 //hit. 1300 Words. Tha artlcla, which has bran daUvarad at a papar to tha Instifuta of 0>tel Cnginaars of Australia, described tha woft on distribu tion of lubricant films dona at Giaoat Co. ltd., MlddUsax, with a devfca caflad Ramrod. Atomic Hydregao Reduction. Ilatal 0*:ds. Nyclaar fwat, Manufacture Camara. L*ad Hamutn, Tui Lmuvm, Sotfma Potassium IwMctSsa FUma Tests wwW^mmiSWmwamW'l!Wa". LPiijLiSfmwcwai^ywMavwwpwamyiw i S a i^pi wim f* wtU>dir`<i>P3 4p - LIA2 4735 V lAeRady StrvCtu/a let *dy U4o*4 Tff* t-OH U*H Z>n< C*dm* C *<tr^ Compound* fv4 771 Ober temlre Verbindungen von Obergangtmetart, ft* Metelt und Metalloid (TttnM/y compounds of t'mAJon /nWi/j( 1 end metafofdi) H. W. 5lede/mj/#r. /- Vrla/iAund# (Cwmj/i/J. Wov. 193/. &1 (//), 7W-d/. /0 F#ge. itW iVordi <>n 6w /m). A review it given ol the ternary phases of transition metals, ft-tub group metal# end mefeJlode, end Iheir itebiMy * discussed. Alloy# of xinc, cedmum And leed ere considered. The Utt*t geometry it governed by the ratio of the redM of the metefto<d lo thote of the transition metal. Hlgg'a rule li valid for perovtkHe type structures wth an upper limit slightly over <759. The perov- state rule formulated for ionic compounds la not applicable When the l<mtt of 063 It eiceeded by th; VJo of the radii, antiprismat/c co-ordination of the bortdea ia obtained. On treating the phaeet a electron compounds, H it concluded that the metalloids fend ta prevent electron trsntler in the transition metals end that th# addition of the B-metalt follows the Hume-Rothery rvfo, U4 Pigments and fiiin Sulphate Ven<'* (^4^1) 2*4. Whit* 1*44 U*#S Steel Induttrai Atmosphere 772 On choosing th# right prime# An<y. Profxih*. Pubiuned by the `/n/wnatfonaf World-Wide PeiM OtgwuOon. (ff), 1-4. 1961. t Hfut. t fiqt. The pamphlet ia primanly concerned w4h the selection of primer* for use on steel above water. Separate section* deal with cor* rosion inhibiting pigments tine chrome!#. Surface preparation and primer media. Zinc chromate and red lead pigments inlvWt corrosion independently of the type of paint medium used. Paints based on red leed are recommended for use in industrial atmoapheres; lead sulphate formed on the surface of the coating ia an etcehent corrosion tnh*b*jng pigment Mention ia mede of wtWta lead pigment T73 Anti-corrosive coating cores under adverse conditions Anon. Production Squipm+^i Digest Mar. 1961.1(11). 46. 750 Words Im4 Details ere given of Adcora Perron, a potyurethan# pitch coating c Oj * P-U*1*'* Po- U'eine-w for metallic surfaces, which cures rapidly at eH temperatures. Including those below CPC. The coating It tad to ba highly resistant to chemicals and to be unaffected by high hum.dvty PteT reur>er4 during the curing period. For continuous Immersion service, blast tieanlrg and a dry f.!m thiclmeti of 10-19 rr.11 art specified; pro* treatment of the surface vith Adcore Pervon Primer, a metaM*c lead pigmented polyurethane bated product. Is recommended for el other applications. Per-. 0**de ftvfp 4 774 Patent An Improved paint or protective compo sition P. Fredeg. Oct. !4th, 1961. The composition contains a butyl rubber binder end la supplied in the form of two stpa*ett ftguidt, one containing vulcanite# and the other an acce'erator, which are mlted immediately before vxV/ .1 LU24736 o ppl'CfliOn. Tin binder it t solution of t co-polymer of a monol*#. C'efm and a diotefln in solvent of a boiling point btwMA t4C*C and TOO*C. The solution mey contain on# or more lynthetfc resins. Non-setting r#d l#ad powder it suitable pigment and th# gtcamjing ag#n(t used Include feed patoiid# and activated zinc tide. Rubber Vehicles feeing Non-setting Red 77) Load auspeneJon for low ##cgy radiation shielding f A. Wttts. Huflh Pt>r wi. Ocf. I960, pp. 60 9 t UW, *00 tt'ordt. A l#d iutp#n>on hat o#n developed uimg Piicot# Laboratory Punt and `finest powder' grad# metallic l#d to Improv* equip* m*nt h*eldJng, Th# paint adh#r#t well to brats and steel, and n# pnmtng ts required. Whan tended, no binder )a visible and th# surface may b# finished with enamel. To avoid difficuitie* do#to non*gnrformity, a 21% margin it recommended. tU-4 0 of food on 1,000 sq cm will provide a film thicknesi of 0>1 mm. Lead Pigment# Rsd>alion Shielding Oust Usee 779 Solar reflectivity of paints *. N. C. strain. / CW Cot. Oem. Aioc. Ocf. 1961. H (fd), 609-21L f Figs. 7 Ttbht. 5TOO Words. Th# ewthor describes and discusses th# Investigation# carried out on a nymbtr of coating systems and surfaces, Including g!rani/#d t##t, /Inc sulphide and okJe, basic whit# taad and batic l#d carbonate. Th# theoretical principles involved are considered. Belle whit# laad in a non-ebsocbing acrylic m#dium hat solar reflectivity of and it superior to rutile or ana flat# titanium divide in a non-absortwrvg medium. A top coat of bask wht# laad in nitrocellulose can incrtata th# reflective efficiency of a ruble paint to $2 6 %. teed, Carbone*# Zinc. Suiptude Oiide. Galvanized Sleet. Sole# Reflectance Pigments White NAcilrryolcicetMo## 777 Metallic lead plgmewt* A.*on. Pant Tech. Wor. 1961. 2) (fl). Si-9. 1700 Wor4%. Tha article. which engine*,#* from Spehhorn# Metals Ltd., dee* cnbe* leod metallic pigments, their properties, major applicetion* a**d typkai formwlatont. Th# perhcle* art 0-1*14 microns in diameter; they art compehb!* with a great variety of vehicles and. hen dispersed, form stable suspensions. Th# finely divided metal ofler* cathodk protection to iron but can also stifle any anodic action, depending on th# paint composition, ag and f'.ironrent. Original work is quoted and t is mentioned that feed soaps ar# formed with vegetable ovt under th# oxidizing Influence of th# atmosphere, strengthening th# Aim and providing anodic inhibition. Pigment* lead Properties Uses Compos*### Cathod< Anodic Proiec### Soap# Oust 771 CP 14): Sari S: 1191 Sheet roof and wall covering#, fadf: Galvanized corrugated steel Pu pushed tf th* Bfftth Sfa^carrfj /nsMubon. Num. tigs. and Tables. 29 pp. Recommendations ar# given on materials and design, construe* t on and maintenance together with information on weather* tightness, durability, thermal intulabon, Ar# hazard, rainwater Galvanized Corrvgased 5 fW LIA2A737 fS'*e<. *mt /.*c. Quit 0 4*. Chfomte Piumbate l*4 WK<tl Rm r ^h Pt*.M *rd kheetS U***. Build'flQS ru*H`flgt G-n** CRces>rQVYO* * Leed Pr**e* Pr-m*;*# ftet-a V**><3** (pOm) W*t* Lm4 Chimluli t**e T rrtCt*r Rrrol A<4 A*P Im4 Tet-e. fm* Po<;Writ>M Ceia*r*ta CtttlrMlc Application* l**4. ARoy So 4#r. Geld Affcmo| i drainage for roofs, and other charactariittcs. Standardized forma of building slrtsdy covered by British Standards art cot con sidered. Paints suitable for uie on new Qelvanf/ad sheets include those based on /Inc dual. tine o*ldf, cekium piumbete, line chromate, pigmented /Inc chromate/red otldo of Iron, rod food and matures of rod load and white lead. leed-beied paints should ba avoided when rainwater drain* into storage vessels. Recom mendation* relating |n load sheeting used for flashings and gutters ara alto mads. 771 Rostschuti Im StahfbA* (Ccxrojron p/ofeefron l* titti coniln/cfion) H. Wrbberf/ng. Wfrliiofft u. Xarros<on (Car-man/). Arne 1961. 12 (6), 360-1. 3 Uhl. 1000 WorJt {In Gasman). This articla conciudta ona published In March 19*0 (pp, 14V7), and la baaad on the aiparianca of (ha Garman Fadaroi Raflweyt. Corrosion undar tha paint layer mi, **ndr any coaling useless. Rad toad (concantratad or dispersed) It a good adhesive primer, for painting In chsngeebfe weether conditions, fait dryfng la valuable property, and phthalete raalna ara useful ainca th*y cere form laad aoapa. In suitable blndara rod load la alao good for underwater structures. Tha chtmicaf activity of white load gain# Important* In top coat*, 7M Patent 9tt,457 Improved motor foot* CsSifornu Rsissrch Coep. Oci. 25U, 190, The knock-suppressing action of laad tetraethyl In high octane gaioT.n#* (yetrolsj can bo onhancad by addition of certain gaaofino-diaporiiblo monoca'boiyfk eclda, or other aubatancaa whtch gonerata these acidl In tha condition* pertaining Intlds the combustion chamber. The improvement l stated to be posiibk on*y wrth loaded gaolina. Usual amount* of lead letraethyl art reeded, (hough other lead tatra elkyt compounds can be used In piece of TEU J 721 Patant ***.111 OrganometetUc polymer* flh// Corp. Ocf. ?SUi. mi. Polymers made from orgenoneteflk compounds of morals of groups III-VII and soma other* ara tha subject of this claim. Fech monomeric unit contains a pair of matats. ona of whkh may be lead. Etamples of such polymers ara given, tuad tatraathyf can b* used at Catalyse 7t2 Patent *71,154 Improvements in or relating to the pro* duetto* of electric semJ-eondvcfor device* Sitmint-Schucksriw*** AG. Oct lltti, 190, A process is described for the production of a semi-conductor devke compris'ng a monocorstefllne semi-conductor member provided with at least ona p-n junction and an electrode mad# of * LIA24738 an alloy containing more than 50% by weight of gold, A solder composed of 75% laid, 17% gold and 1% antimony by weight la used to lotdar electrically conductive alamanti to tho electrode. Semiconductors Uses Clecirical ueea Anon. Nuchtr ngnp, Aug. 1961. 1 (6J), 32$. 4 Wu$. $00 Worda. Tht article describe* two radioactive Isotope-fuelled generators, ona used In tha U.5. Navy `Transit* tatallfie, and tha other employed In a waeth*/ station transmitter unit In northern Canada. Tha n aether station generator, *peeled to operate for at taatt t yM't, employs HSr as tha luel and incorporates 60 pairs of (sad ttJlu'ida tharmocouplas dispoiad In a 'hedgehog* faihlon around tha fuaf unrt. Tha positive atamarts of tha tharmocouplas ara doped with 1% sodium and tha negative etaments with 0-0)% lead iodide. Tamparaturas of tha hot and cold Junctions ara 427*C and SC*C raapactivaly and tha output la about SW at 4V, which la converted to 28V to charge tha Nt/Cd calls ostd. Tha generator is surrounded by 4-4 In. thick lead shielding. Isotope fuel Generators lead Teflurtde Thermocouple* Shielding Usee electrical wees Iodide 784 Fatant 181,478 Improvement* In or relating to ceemmlt dialectrie material* JU. H. Frtncombf and B. Uwla. Nor. Ut. 19t1. An Improved way of preparing tha ceramic dialectic material of composition Pb, ,Ba,Nb,04 Is daimed, wrth a between 0-28 and t>l Soma application* art datcribad of laad barium niobatalhua praparad. spacifldafly with s - 0-3, 0-4,0-48 and 04. Lead Barium N'Otate D>e<e<tric Cer*m< 788 Fatant 881,472 Improvement* In and relating to himl* a esc ant acre*** Ward ltd Nor. ftf, 19$1. Cia<mt ara mada for two layer luminescent screen designed to show the tupedmear efficiency Increase effect on excitation wrth cathode rays. Tha first luminescent layer, composed of barium j.' cate actuated with lead, supplies etching radiation to the second layer, composed o! /Inc cadmium sulphide activated with S'Uer and nickel, and shields it from the incident electrons. A fi*er arrangement permits passage only of tha radiation emitted by the second luminescant layer. lurmneecent Screen* Banum. S*Keie Actuation Z-nc, Cadmium Suiph'da Cathode. Pays S-l.e*. N ciet laad 788 Fatant 880,888 Improvements to or relating to ferro* magnetic ferrfte materials FN/ ps Ehcirica/ fnduti/Ht Ud. Ocf. 2Uht iXt. Claims are mada lor an Improved ferromagnetic ferrite material composed of 2-21 mol % of AO. 8*48 mol % of MeO and 52-83 mol % of Fe,0. 'A* represents at least ona of tha metals 8a, $r, Pb and Ca. and `Me* at least one of the divalant metals Fa, Mn, Co, Ni. Zn, Mg, Cu or tha divalent complex (U1 + feM,) `2. Tha propertes of tha material Include a saturation magnetisation cf the jams order of magnitude as that of tha ferromagnetic ferrites with t*v lp(nl cry ltd Itructur*, Ferrrte lead Magnetic Ferro- . UH PrtfuttiM Znx Lt*4 SaparatlO* t`(Jud VKwvM 0tl'<K4bO* laad. Manyfactura Handling Uqu4 Concrata Porv Havant* MaUi haf **ng Uqud Copar laad An*K AM- "<*f 0d# Co^cantratio* LIA24739 r 717 Patant 991,343 Improvamantt In Of ralaUng to tha rt* movat of cadmium from iin Nit'Ontl Smtfting Co l/d A/ov. //, /Pdf. Dataila art gWan of procaaa for obtaining fine from load which contain* line and cadmium. MoHtn <tad If haatad undar vacuum to produco cadmium-containing imc vapour which i than partially condantad by contact wth CO<Mad aotid body of lino. The uncondantad vapour bacomaa anrichad in cadmium and tho condantad mottan line if coftaclad and haatad by conduction from tha moitan !aad; cadmium rich vapour it dithiiad off laaving tubtUnttafly pura line. Cadmium it racovarad from tha ctdm/unv rich vapourt by partial condantation on aolid ilnc*cadmum aRoy. 7H Palant 171,377 Improvamants ln Of ralating to apparatvt fof handling and tranaportfng moitan matala Pa?* N*tk>nlt dra UsJ^t fit***M. Oct 11th, /Pdf. ft ia claimad th^t with tha apparatui daacribad, ft it poaaibla to racafva and dailrtf moftan mat*! ktaapactlvg of tha baight and acctttibiiity of tha furnact Of racapUda. 799 Palant 979,449 Pofoot concrata atamant for tha gaaoaaa refining of moitan maiala MiMtda da flacharchat da fa 5^daru/gla. Oct. 11th, 191. Thia invantion ralatat to a typo of concrata alamant wh*c'i would rttain it! itructgral eirangth in contact with modan mata! whda providing nymarou! porat for gataa Of liquid!. Fa# in atraogth du# to high tamparatura dahydrt>on of concrata It countaractad by tha abil-ty of tha matanal to rahydrato ttaaff gradually. Tha poroui alamant i! linad with a fluid-tight concrata on al aidat, Ma tha ona in contact with mohan matal Thara ara in rt channaff for uniform dtatribubon of gat or t*qu*d to it* turfaca. 7M Matalt-Schtmchan-Clalchgawdchta dav Syatama Cv^b* Aa-O and CuPb-Sb-O (Mfta/-i/ag of (ha Cu'fib'Ai-O and Cu-Pb*Sb-0 tyt/amt) A Hi^r<h, f. Paw/a* and A. Ptuth C//ma/aA (Carman/). Od /SCf. 14 {Iff), 5JO-4. 11 ffft. 3 Tayat. 3500 kVordl (m Carman). In tha two quartarna/y ayttama art tha pot tibia ato*chomtric combination! of tha maun* oiidat art diacuatad. and aiao tha* combination with aluminium o>id* from tha ervciblt- Tha fact that partition coafflciant of load dapandi on concantrat>on ft atcap- honat. tinea for araanic and tm tha partition coaffioant it conatant With raapact to coppar, tha faad :a non-tonicatfy bound and tha othar two matala art fraa at font. 1 v LIA24740 r mentioned. Wh*n Usd U incorporated as dust In a paint v*hicU, tt offers protection to etposed structural Other paint lystam* include ud oxides. 7H Pitabia lead lining* pretact ateckworfc Anon. MW*/ Md. Nor. 10{h, 1961. H (If). W. 1 tfos 140 Words. Uni-Tubea Ltd. new product a !d lined pliabfa flue lining tuba said to resist attack from tha most corrosive condensation whkh can ba aipactad from tha flue gates of gas-flred hasting appUancas. Tha tuba, intended for tha protection of chimney stack brickwork, it manufactured In cods up to 100 ft In length wtth 3 liv. In . 4 in_ S in, 6 in. and 7J in. Internal diameters* The banding r*dlv* of the tuba, taken at ita centra line, Is 2} times the diameter of the tube. Lead Tubes end pipes Uses fiuiidmge flues Lining TM Patent IM.SII Improvements relating to anode* for wee in electrolytic protection systems CW>od< Corrosion ConUoJ Ud Oct. WW, 1961. A method is claimed for the manufacture of ar< anodic element for use in Impressed current electrolytic protection systems. The element is in the form of a cable consisting of a metal core covered with Ued-sitver-entimony alloy containing 04$% to 1% s^Uer and up to 10% antimony. The lead covering (a applied to tho core by an ettrusion process. In eleclroiytee liberating oxygen, a film of electrically conducting lead parotid# builds up on the Surface of the element and progressively leea feed alloy fa consumed. lead A toy $<>ver Antimony Anode Per* OtHe Sheathing Cables -- /*jai The determination of copoor In lead and lead cablesheathing alloy# J H. Thompson and M. / fffrenKrofl A/ia/ysf. Oct 1960. CS (f0f5), 735-4. 1 Tit*e. 9000 Words. The tampie it dissolved in H,Olecetic acid mixture and con verted to a chloride solution. Copper is eit/ected with d*ethyfemmonium diethylddhiocarbamete in CO*. The organic Uganda ar destroyed with sulphur*-nitnc acid mirture end the pH la adjusted to P'PS Copper It determined spectrophotometricatty as the blue (5f$m) biscyc/bhetanone oiefyidihydra/one com plex. The usual ampuMc of other metafa do not taterfero. Physics, Chemistry and Analysis of Load kne*ys*s of load apper Afloy Cables SKeath*ng Specif ophot K1 Use of rotating hanging mercery drop In analysis -- Anodic stripping using a rotating mercery drop; Tree* analysis with a rotating hanging mercery drop I J J. fopWimirt A. Af. J. K4 C/aasaens; M. ran 5ruy and ft S. DetHtr. Ntturs. duty tXJt, 9961. If! (47*5), tM. S figs. 1900 Words The first communication describes a refined technique, by which a rotating drop of mercury It scanned at e rate of $ mV/sec for 9 min at -- 14V with respect to sHver/silver chloride electrode. Analysis for fine Hanging drop mercury electrode Rotating 11 sows > * ; & 5 > LIA24741 Z Cadmium ltd Cown Coyioma<fi< t --4 SeactrographtC P*CSO >vctreiet*'g THi L^*e Z'c L*4 $4l M*ch*<um Vlffl4C* MiscetUnaew lead To*<itf Gi4U Wne Anodic currant psaks for tine, cadmium. feed and coppar hivi been obtained. Tha second communication dealt with tha application of this technique to tract analysis. Tha tuihort caB tha mathod `coulometric poUrography', At e*trem# purity of tha tolution and of tha nitrogen atmosphere around ft It necettary, tome difficulties are being experienced. However, tine lone at a concentration of 8 i IP*1 M can be determined. tt A difference band of a fundamental and a lattice mode In the infra-red spectra of lead and other ca/bonateo C. J. H. Schutt* and K. Buiju NMun, Oct mA, ttot. IK (4500U 351-t. 1 fig. 1 TtbJt. 300 Word*. The retuftt of thlt ttudy luggeet that the difference band found at the frequency of 840 cm'1 In feed carbonate and several carbonate* and nitratat of other metalt occur* In the Infra-red spectra of aft crystals containing planar XO, Iona. NS On the resistivity of various materiafa to attack by moftea aaita and metala A. twnden. ConviJon Scfrnct. Aug. /Pdf. I (f) 63-4, f Tbhu 650 Wort*. The a a. of tummartiet Investigation! on tha attach on various container material* by molten metalt and tafia which include PbBr*, PbCtr CdCiJUCt, Zn0r* and ZnO* References are given for results obtained with cadmium, lead and line metalt. tn the course of the Investigations lead iodide wat observed to decom pose to tome extent on fusion under a vacuum. In general tha attack on tha container wat found to be strongest et the interface between the melt and the surrounding atmosphere. The attack It often due to compounds formed at the cathode during electrolytla and In tome cates the attack it located at section where a highly reactive compound hat been concentrated due to the relative mobility of its Ions. There it tome evidence that the pretence of an electric field might have a tendency in itself to Increase tha reactivity. M4 A rare source of feed poisoning Anon. Ntw Sc*nUtt. Oct Hth, mi. 12 VIS), t$3. ISO Wort*. A cate of lead poisoning attar consumption of home-made wine fermented In an old gists vessel wes found to be due to tha dissolution of lead In tha glets by the acetic and tartaric adds of tha wine. The patient wat successful treated with calcium dftodfum versanata. It J i I.'we If-- v awse* B.m.'ini im'muw or1 wet' LIA24742 nr 791 Schmeltsfluttelehlrelylltche Ctwlnnung von BM gnd Ant*.non tut Sulfldltchen Konientraten (P'cV-cf'On of /red sod mf/mony from ju/ph/de C&Kwtf*tli bf rVcf-j^v* of /ved mt/ti) R- ffsmme//. fr/mefa/f (Germany), Oct. tm 14 (7J). *97-506. 6 Ftgi. 5 leWfi. 7000 Word* {in German). The 'eduction of heavy-metal Sulphide* by eleclrolyiit of luted me .it it renewed. Their reduction behaviour end reaction* retuft fro** the mutually oppoted propertie* of tulphidet end electro* l>1es. Thit it demonttrated using at eitmplet three tlmplifled eiect'olytit tyttemt. Laboratory scale retearch on the direct production of lead end antimony from tutphide raw material* by elecvolytls of futed meita hat thown that the separation of theto mrii i in good yield it possible with high current efficiency. lead Sulphide (iedrelytif Concentretfoa Futed Meha 797 Flotationtvertuche mlt XanthogensBureo {fbu&hty of su/ph/de uiing ttnthfc acids ai coffeefor) H JU^.ma. J. Mm. M*t. Soc. dapan. 1961. 77 (4/7), M-47. //mWaff (Cermany). Oct. 1961. 14 (70), VS. (Seen in absf/acf form only) The paper gives data for galena and coveflitt on tht relationship befaeen flotation and co-ordination conitanta of chelates, crii cai valuta of pH, dissociation value* of aanthlc acidt, and the form**.on constant of lead aanthate. The order in whh addition* of ev*ia and itnttuc eoda are made aflecta their effectivene**. lead. Sulphide delation Xai!K<. Acid Che^etea. Dttoeteflon Rate 793 Refining lead / / Halmt. WWV fnd. Aug lit*. 1961. M (tf). 770*7; Aug. S$0>, 1961 n (/). 174-4. 4 T*bi**. 5000 Wot4%. MetVds used for the removal of bismuth from lead are furyeyed. Ryro^elanurgical and electrolytic procettet are contidered and tepa'ite taction deal* with the preparation of the calcium teed alloy ted in the Kroll-Setterton process. RtiwavMg. B*tn*vOl lead. C<ectro*y*c Heeti/ig. Separation freeeta 794 Contribup c m pHvire la nature yl posibltHatlte da valerli> cere a tpaitulul da te uxlnala da plumb die reglunao Mararaurey {Corf Ovton t fo the tfudy of (ha nature and powbtiA*t of vfjftta* 7<*i cJ i/ftd from feed worts m the Ma/amvres region) A. iupu and t Orepan. Sfud Cere. Mrist. (Aumasw) 7807. 4 (7), 193-704. 9 W*t H ftgt. f faWes. 7300 Words (*n Aumjnran). The author* have studied `Ureas', a material similar to spelts. wh*ch >a obtainable by reductive fusion of lead concentrate* from the reg>on of Uaramgrea. 11 contain* X~40% copper and IB-71 \ lead. *;th tulphidet. arsenides and oude* of coppar and iron. Ouraion and optimum temperature of roasting, and Irquid-aoJid rat*o. acidity and duration of leaching wart investigated to evaluate the poaaibtLfy of hydrometalurgical attraction of copper. lead Roasting l*ath*g Recovery Cnpper Bpeita I l^oi LIA24743 Metallurgy and Mechanical Propertie* of ta*d Cef*vm Wed C<4uyni AUoy Tr^er***. In i. Al^f P"4t. SeoereOan Zn C44"w Frfiiy* Cofratlea a*'** C*M Ce^ot*** ft UAC Ovft pp"t 0 da 18 Tha rttuMa are g'ven graphically and microphotographa irt reproduced. It It concluded that the meterial it not a typical ipeiaa, but lotarmadiala between copper-matte and apaiaa with a coppar-btifing outer cruat. containing metallic ImpurHIet and tulphidaa. HydromaUlturgical attraction of copptf it only 10S eflectue and not at high at a pyromettflurgicel procedure. H It tdvittblt to work to a 90-96% taparation; volatilisation and elec trical purification ot laid should fottow. 7M Ola GltlehgewIcMtvtrfi&ttnltta Im System Gallium* Blel-Kadmlum .{Equifibflvm rstlot in /he f/IHjm'htd-ctdmkim ayt/em) 6 Predaf. /. MHmunft (German/). Aug. 1961. SI (/), A/f. It f/gt. tOOO Wotdt [in Carman). A d`fferential thermal analyali wat mada of the getflum-leadcadmium system. Tha ternary autactic point wat lound at 988J H X Oa and TO-2t*C. A liquid mlaciblUfy gap attends from tha binary tyaUma Ga-Cd and Ga-Pb acrott tna tarnary concentra tion ranga. Tha connacting Una of tha critical point! thowi a temperature minimum ft tar tha binary lytttm Ge-Cd, Indicating a lowar InquaflctOon tandancy In tha tarnary tyttam ranga than In tha two binary ayitamt Gt-Pb and Ga>Cd. A narrowing of tha liquid two-phase region occura In tha concentration plana at this tamparatura minimum. 7M Puriflcaslone delta legfce madianta aaparailana delta fail (PvtifcaOon o(*tlor% by phase tapera/*vi) A. Cond/ and C. Scecratf. MrU/lurgu tW>*ns. Oct 1961. U (10). t*dX ft ftgu 14 T*bhu 3500 Worti (in rtaAan). Experiments aimad to taparala phatat by prattwr* and by centri* fuga war# madt on alloy* of fine, cadmium and laad. Raautts art tibuiafad and thown In tha form of phata diagrams Purification of alloy* with low concentration of /Inc. cadmium or load can alaa be achieved bacauta tha phataa do not Interdiflute. m lead G. Vt*?ry CerrotJon PrtrenUon Control. Noe. ffd/.lf//), XJ-S. 1 lituS- 1400 tdorrft. Tha Matory. proptrtiaa and applkationt of feed art reviewed. Corrosion ratittanca of laad it due to tha formation of a protactiva fUm with censln acidt. High purity metal it not needed for thlt purpose, and the tarty 8 $ XJ4 specked chemkal lead at efther WWS pure or alloyed, without defining the competition of the alloy. Afloyt In common ute are described. The atmospheric and tea corrosion rata of lead, in terms of perctntaga lota, la low. but acetic, formic and nitric acidt give aoiuble aaha and corrode laad qukkfy. Modem methods of welding, lining, arraying and coating LI A24744 litufd b1 ZDA.LOA JOINT LIBRARY. 14 B*'M*y Souro. London W1 G'omiwMM wwr ^ WWMww t wr* J