Document pe1DJMgMrGXgn0gjw6YRdvMpk

% 0 Jlerelsnd 5. t?. GooLidge, r. Cofi'eyvills #30 Aox. October 22, 1?63 Go _'f ville Technical Fregress Weealy Heport Oct. 1U to Oct. 16, 1?63 MRl'JK OAdBOMATS - H^S ctF-COmi The apparatus la still in ths pro ease of a saenbly, dareting time to it whan tins is avail* ole. bA&IUM UAgB-tNATE - MET rgEUMO Wa vara not in a poaition to do aojr experimental wort this weak. BAftHM HTSBATE - ttSFRlflERATIOH lie are awaiting the racaipt of a snail singla refrigeration leaf to be coated with Teflon. flAdlUH C AiSa., SAT S - PiUJiTUaa nork kaa not started on this as yet. Liao smg o - mapHATS fhe aatarlai, acne sight to tan pounds, ia nov raady for Mr. Qabbert to teat. It Kill ba shipped to hi* shortly. An attempt to dry aill a small anount of the final cake in a hnsmer Kill resulted la a very narked decrease in color. The material ia very abrasive. We finally resorted to dry Milling in a pebble mill. We have been asked to prepare nore notarial. Oar facilities for roasting the silica-lead sulphide nix are United to snail quantities. Chicago has agreed to roast sons in their anall rotary kiln. zme mo l t b o a t k The U,000 pounds of sine aolybdats have been made end are ready for shipment to Ths material analyses t % ZaQ 66.2 % MoOv - 28.6 % Kj0 $.2 l by dLfi'arsnoe) BASIC SULFATE OF WHITE LbAD Several experiments have Seen earrled out and the results are wry encouraging. Mexican litharge in an aqueous slurry has bean treated, with sufficient sulfuric acid to produos a final product that contains about 20jt basicity, ths acceptable rage being 15 to 28jl. There is a little technique involved which is not difficult. No calcination is necessary. The final product is whiter in oolor than Mew Jersey'* fine material. 0007-SWP-000007117 Coffayrilla Teoh. Progreaa Pas* -2- OZLO 12 - SuLUBLA :>ALT6 Wr^E5Iir-S-ioiiiirM^Iortory work in tbe Laboratory to datemiaa if m en auooaaafully traat Banker Hill foam with tha asset stoiebionotrie wnt of sine aulfata, and alao traat with a deficiency of also aalfata to Mke an aeoeptable Oslo 12, in an attenpt to lowar the a*tar eoloble aaltc. zinc sgjHiat Uo aatiafaatory material baa baan nada aa yet. A trua aanonlta aulflda la being made apt aaing aaaonina hydroside and hydrogen aulflda. Prertoaa atrikaa haaa baan aada using aiaa sulphate aad partially conoarted anaonlai hydroxide to snlflds, with tba rosnltlng prodaet not satiortctotyj low in biding pewar. BARIUM CAH.BDMATK - TltAWIW iLIDY Laa bailor baa renalved a iattar 'fro* Titaoiaa Alloy aivialoa,. Rational Lead CoapUTi in regard to tba specially prepared aaapla af bariaa oarbonata wa aads fbr that in Hay of thla year. The sanple was dcaignatod aa CPP 2106. Rational foand it airtreawly intaiwatingi nany benaflts, slaa aoaa datrinantal aspects. They have completed tbsir nark aad request aa fortbar aasplee, nor aak aa to produaa snob a natarial oasmarc!ally. The natarial analysed* Total st&fnr as S - Mia as RaeO - Fiabor *o. - 0.000$$ 0.00001$ 0.50 f. R. Hornmb aai 4. 7. Haa T. Elrkpetriek E. d. Hilkiaeen a. F. i J. 3. tioobaw R. H. Eiadrlak 0007-SWP-000007118