Arena Silicosa
Magnesita
Granulada
Nitrato de
PLata
LITARGIRIO IMPORTADO
LITARGIRIO ASARCO
Pueblo Brand Litharge
TYPICAL SPECIFICATION
|
Parameter
|
Level
|
Notes |
| Lead Monoxide |
99.0 %
|
Minimum
|
| Silicon Dioxide |
0.1000 %
|
Maximum
|
| Calcium Oxide |
0.0800 %
|
Maximum
|
| Aluminum Oxide |
0.0420 %
|
Maximum
|
| Iron |
0.025 %
|
Maximum
|
| Zinc |
0.0006 %
|
Maximum
|
| Arsenic |
0.0005%
|
Maximum
|
| Bismuth |
0.0004 %
|
Maximum
|
| Silver* |
0.005 troy oz/ton
|
Maximum
|
| Gold |
1 PPB
|
Maximum
|
| Metallics |
0.50 %
|
Maximum
|
| Insoluble Materials |
0.30 %
|
|
| Screen Analysis |
-20 mesh
|
99.9 % passing
|
* Silver maximum is 0.17 PPM or 0.17 g/T
COMMON USE: Fire Assaying
SILVER LEVEL:
|
tr. oz/ton
|
g/t
|
ppm
|
|
|
Specification Limit
|
Less than 0.005
|
0.17
|
0.17PPM
|
|
Observed Level
|
0.002
|
0.07
|
0.07 PPM
|
PRODUCT: Assay Litharge (Silver Free)
CERTIFICATE OF ANALYSIS
|
TEST
|
ANALYSIS
|
SPECIFICATION
|
|
Appearance
|
Correct
|
Fine khaki-yellow powder,
free from lumps and contamination.
|
|
Free Lead
|
0.9 %
|
10.0 % (max)
|
|
Red Lead
|
nil
|
0.06 % (max)
|
|
Silver
|
0.10 (mg/kg)ppm
|
0.13 (mg/kg)ppm (max)
|
PRODUCT: Litharge (Gold Free)
CERTIFICATE OF ANALYSIS (GOLD AND SILVER)
|
TEST
|
ANALYSIS
|
SPECIFICATION
|
|
Appearance
|
Correct
|
Fine, canary-yellow powder
|
|
Specific Gravity
|
9.5
|
9.5
|
|
Free Lead
|
2.0 %
|
10.0 % (max)
|
|
Red Lead
|
0.01 %
|
0.06 % (max)
|
|
Silver
|
Trace
|
Trace
|
|
Gold
|
< 1.0 ug/kg (ppb)
|
5 ug/kg (ppb) (max)
|
