SECONDARY ENRICHMENT OF SILVER ORES 
SERIES 1 
II 
Solution 
EES Oe aris cu 
Acid: Fer 
Sulph.=3:1 
ANGID Soe at 
A\e18e Sates 
NOR ee 
AXING Bacay 
AN SiS 
JANG) OIE IE 
ANSIRO Sar Oh 
ENSIUS Bane} 
Waters... '.! 
bao See 
P18 2 Shere 
WickEOTe ot) <-2 s 
is\ 2 eee 
ANC1NS Sauder 
ENG io Gene ee 
PNPIDE Boe 
[NSIQR Bea) 
Mineral 
Pyrargyrite 
I.000 gm. 
Pyrargyrite 
I.000 gm. 
Pyrargyrite 
1.000 gm. 
Pyrargyrite 
1.000 gm. 
Polybasite 
Polybasite 
Argentite, 
lump 
Argentite, 
lump 
Argentite, 
lump 
Argentite, 
lump 
Argentite, 
lump 
Orpiment 
ie a 
Orpiment 
vE i! 
te 
Stibnite 
Stibnite 
Stibnite 
Galena 
1.000 gm. 
Galena 
Galena 
Loss of Weight 
0.0130 gm. 
.0714 gm. gain of weight 
.0924 gm.gain 
.1700 gm. gain 
102 
102 
102 
8I 
8I 
81 
Remarks 
Solution contained 
Sb, Ag 
Solution contained 
Sb, Ag 
Solution contained 
Sb, Ag 
Solution contained 
Sb, Ag 
Solution contained 
Sb, Ag ' 
Solution contained 
Sb, Ag 
Solution contained 
As 
Solution contained 
As 
Some sol. lost. 
Test gave a little 
Sb and SO, 
Solution analyzed, 
Solution analyzed, 
yielded .0255 gm. 
Sb.O, solutions of 
500 c.c. in each 
case 
Residues gained in 
weight due to 
formation of 
RbSO; (75 cc: 
of solution used 
in each case 
