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

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

Sum for pos. no 1 -4 < 1000 ppm

Silver 999.7

AMCO OTOPENI S.A.

TECHNICAL SPECIFICATION OF PRODUCT

STP - Ag. 02

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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

 

 

 

 

 

 

 

 

 

Sum for pos. no 1 -7 < 300 ppm

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