| OCR Text |
Show 6 ahlorid.e Take Add, 10 solution. up in 5 oc , _ HCI and HCI and di_lut_e, vii th 100 CC.,. alkaline wi th ammonia and, then add soluti.on of ammcrriunr c-arbonate. preci.pi tG:l..te tJQ;' se:.t.tle', filtrat_e ba.rium a.c Ld dighty 5ul-:phaite mo'niac;al wi th Add a.s- 1-0 of cc., NH4_OH wi th Hel sa.tur-a ted brLne Zi:nc and. t.hen co. Iron 10% H2S04 Leach 1.0 .l)ej wi th for 2' hours, 1TH40.H ao Iu ti oc to. of' satura.t,ed , in of the ace td.c 7 mf.nutre s and. bod L fGr Ccn ta.nue am .. to, bo,ili,ng:. , operatlons wi.th lead. 10% H2S04. dat.ermi.Ring: the zi.nc as. lv'Take • wi tb water' and. heaf and. iron follows: sample in 20 fil t er- and, wash wi th wa.t er-, 5 minutes. ch.l ori de was gram and. hea.t as , acidify sli.ghtly with soluble The me.t.hod used i.n in sulphur sulphur'. 1._n· the met hod. for total a.s and Make f 011 QW-S': potass\ium chromate lead chnomat.e s:oluble boiling, allow and. d_et,e.rmine Fil t,er and wash with ho.t' wa.ter. the s'at.urated de,t.e:rmin:1.ng the le:8:d soluhle in sat 150 up to MaJ.-ce a fil t;er and wash wi th br i.ne for' 2 hours, a,ci:d. to 1.0; gram of the sample in 20 Leach brine Heart of' CC. fil tr and waah wi th hot wat,er. in The me.t hed for was 10 Make of wat:er. co'. in the me-thod for total as' Lead, soluble ura-.ted, b r i rre eva;:pora-.._te no d,ryness. boili.ng. cc , Make of lOt; H2S04 ammoniacal Add bromine. water and. oil Filter' and waah with ammon.ia-iammon.i um en • Save fi 1 trat,e, t.o run f or zinc. Di ss olve |
