C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/168, 53/235,
C22B 3/44 (2006.01) C01G 5/00 (2006.01) C01G 7/00 (2006.01) C01G 55/00 (2006.01) C22B 3/26 (2006.01)
Patent
CA 1074127
ASTRACT OF THE DISCLOSURE Process for the practically total precipitation of precious meatls 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.
248923
Ugo Renato
Na
Protec - Processi E. Tecnologie S.p.a.
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