Process for precipitating precious metals from solutions which c

Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium

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75118R, 75118P, 75121, 75 05A, C22B 1104

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active

041636643

ABSTRACT:
Process for the practically total precipitation of precious metals from solutions which contain them, according to which said solutions are treated with carbon monoxide in the presence of a quantity of water or a primary or secondary alcohol at least equal in weight to the total quantity of precious metal present.

REFERENCES:
patent: 1686391 (1928-10-01), Muller et al
patent: 3457116 (1969-07-01), Arcano et al.
patent: 3536479 (1970-10-01), Illis et al.
patent: 3877931 (1975-04-01), Neskora et al.
patent: 3887489 (1975-06-01), Fannin et al.

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