METHOD OF RECOVERING SILVER FROM INDUSTRIAL SILVER CHLORIDE-CONTAINING PRODUCTS Russian patent published in 2001 - IPC

Abstract RU 2170277 C2

FIELD: precious metals technology. SUBSTANCE: starting material is dissolved in sulfite solution and heated. Reduction of silver is carried out in presence of alkali with paraformaldehyde reducing agent consumed in amounts of 0.27-0.35 g per 1 g silver. EFFECT: reduced residual concentration of silver in solution. 1 tbl, 2 ex

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RU 2 170 277 C2

Authors

Musin E.D.

Karpukhin A.I.

Mineev G.G.

Dates

2001-07-10—Published

1999-07-15—Filed