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ASTM E1898 PDF
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Standard Test Method for Determination of Silver in Copper Concentrates by Flame Atomic Absorption Spectrometry
| Published by | Publication Date | Number of Pages |
| ASTM | 10/01/2021 | 5 |
ASTM E1898 – Standard Test Method forDetermination of Silver in Copper Concentrates by Flame AtomicAbsorption Spectrometry
1.1”This test method covers the determination of silver in the range of 13 ”g/g to 500 ”g/g by acid dissolution of the silver and measurement by atomic absorption spectrometry. Copper concentrates are internationally traded within the following content ranges:
|
Element |
Unit |
Content Range |
||
|
Aluminum |
% |
0.05 |
to |
2.50 |
|
Antimony |
% |
0.0001 |
to |
4.50 |
|
Arsenic |
% |
0.01 |
to |
0.50 |
|
Barium |
% |
0.003 |
to |
0.10 |
|
Bismuth |
% |
0.001 |
to |
0.16 |
|
Cadmium |
% |
0.0005 |
to |
0.04 |
|
Calcium |
% |
0.05 |
to |
4.00 |
|
Carbon |
% |
0.10 |
to |
0.90 |
|
Chlorine |
% |
0.001 |
to |
0.006 |
|
Chromium |
% |
0.0001 |
to |
0.10 |
|
Cobalt |
% |
0.0005 |
to |
0.20 |
|
Copper |
% |
10.0 |
to |
44.0 |
|
Fluorine |
% |
0.001 |
to |
0.10 |
|
Gold |
”g/g |
1.40 |
to |
100.0 |
|
Iron |
% |
12.0 |
to |
30.0 |
|
Lead |
% |
0.01 |
to |
1.40 |
|
Magnesium |
% |
0.02 |
to |
2.00 |
|
Manganese |
% |
0.009 |
to |
0.10 |
|
Mercury |
”g/g |
0.05 |
to |
50.0 |
|
Molybdenum |
% |
0.002 |
to |
0.25 |
|
Nickel |
% |
0.0001 |
to |
0.08 |
|
Silicon |
% |
0.40 |
to |
20.0 |
|
Silver |
”g/g |
18.0 |
to |
8000 |
|
Sulfur |
% |
10.0 |
to |
36.0 |
|
Tin |
% |
0.004 |
to |
0.012 |
|
Zinc |
% |
0.005 |
to |
4.30 |
Worldwide Standards PDF © 2024
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