Document 1y341jjXVrRZKX8MgLKY6kKZ

DSVEtOrasar PROBLEM 37-54 5" 25 'W3?.?7CAT7Qm PROGRESS REPOn: #1 Introduction:: * At tue nsqc-sBt of Mr., zi.tutetrms.tu so prepared 25 lb.- each of n series of Bade lead sillco Chat era Le pignuts containing varying loreis cf silica content5 Suaaery and Conclusions; 2wefcy-ive XJ>. of ach of the following aatecisla vrar.e made: s~:-o Pigment S-SC ?!&? 5 f -g Pi it&r.rw* s-oc Pigj:c-ut S-9C Figment Lot &2S55 - 0 0 i: ,, 417-37-54 - lot C306& ~ & ,?. * V !. .* - nr?--r* CV * 501 C 0* Lor. 7756 _ i> t. * . v! - - Lot ?U(j O - >, r\ 41?-3?-54 - C*7 diri- .* 1.0 113(J& - D . V 4i?~ 3?-54 ~ V v/o Si02 -r * r*. n.'O, hi.Q,, SiO m.hurd Kamifaefcuriop procedure for M50 way follooxsd with these rariatfoue? i-i-ifiy 'viitli "ona {?las Sand Co, ; 3 5 Ki.cron tr.i.eueiL si J.ice Ratio APbO-OrO, (moles) SiOj content (total), by seight as indicated. Form-d product '.'as dried, ground in the Laboratory Bay-ttand Kill, calc ins6 at 600'C for. 2 hours and ground, N 27320 NL 000041443 BS*'E!.Otv'KF!T PPCaUlB 61 .... '25 i;.omCASTCI?S CHS IOC AL iSteserial & i.efc # S"-5C 6j?-fc`6& S-60 63066 S?G ??5t* S-80 ?U66 S-90 ?\36g. S<0-J. :m> t 46, ?2 3613 27.09 9.75 w .' * v-**> f?. * 5. 3L9 4.153.17 2.10 1,1,2 Sj'd*. %.(fey diggersftee) 50.09 3-#< 75 69.74 35.1.5 39 13 oscc>:rc t-7:~c:- '-r~ " r* r; j . a rM. .c ?; J.l) - ; 30-3 ^D:'i .Similar fc alYmdmrd M-SO; 1 '3^ 2 , .-ji. C " >> tala;:-/ Kt?sei v 0- '' i` FP. i- 60j, 2 - '.7fi 6u >ut hi.d none .l -.'.;rg,s unct>at.F.d Si0Xo *o :rt? c las; -' r. i l5 ADAH X *- / *! K - ^ .:4" *a ?P {j 0 at`d unccaifcd S;i.0? pasljties; Y>V ADAH i~ 35ji 3-- 18-a NL 000041444