Precious metals recovery and refinary : Gold; Silver
The recoveries are made by hydrometallurgical and chemical processes, from waste materials with precious metals content (Au; Ag).
The scraps can be from spent catalysts, precious metals objects, electronic scrap, jewels, others.
The client opportunities to dispose the precious metals are:
• The recovered precious metals return to client in pure form ( powder or ingots)
• The precious metals are buyed by AMCO OTOPENI S.A.
• Initiating a metal account for the client, with all time availability, to use the metal for final products made by AMCO OTOPENI S.A. or others.
Technical specifications for the fine metals :
Gold:
AMCO OTOPENI S.A. |
TECHNICAL SPECIFICATION OF PRODUCT |
STP - Au. 01 |
Page 1/1 |
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Gold |
Purity: min. 99.97 % |
Prezentation form: sponge ; ingot |
Nr. Crt. |
Element - as impurity |
Admisible content of impurities (ppm) |
1 |
Fe |
= 20 |
2 |
Ag |
= 100 |
3 |
As |
= 30 |
4 |
Bi |
= 20 |
5 |
Cr |
= 5 |
6 |
Cu |
= 50 |
7 |
Mg |
= 30 |
8 |
Mn |
= 5 |
9 |
Ni |
= 5 |
10 |
Pd |
= 50 |
11 |
Pb |
= 20 |
12 |
Si |
= 50 |
13 |
Sn |
= 10 |
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Sum for pos. no 1 -1 3 < 300 ppm |
Silver 999 :
AMCO OTOPENI S.A. |
TECHNICAL SPECIFICATION OF PRODUCT |
STP - Ag. 01 |
Page 1/1 |
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Silver |
Purity: min. 99.9 % |
Prezentation form: sponge ; ingot |
Nr. Crt. |
Element - as impurity |
Admisible content of impurities (ppm) |
1 |
Fe |
= 20 |
2 |
Bi |
= 10 |
3 |
Cu |
= 800 |
4 |
Pb |
= 250 |
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Sum for pos. no 1 -4 < 1000 ppm |
Silver 999.7
AMCO OTOPENI S.A. |
TECHNICAL SPECIFICATION OF PRODUCT |
STP - Ag. 02 |
Page 1/1 |
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Silver |
Purity: min. 99.97 % |
Prezentation form: sponge ; ingot |
Nr. Crt. |
Element - as impurity |
Admisible content of impurities (ppm) |
1 |
Fe |
= 10 |
2 |
Bi |
= 5 |
3 |
Cu |
= 100 |
4 |
Pd |
= 10 |
5 |
Pb |
= 10 |
6 |
Se |
= 5 |
7 |
Te |
= 5 |
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Sum for pos. no 1 -7 < 300 ppm |
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