C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/08 (2006.01)
Patent
CA 2057185
ABSTRACT OF THE DISCLOSURE A process for extracting silver, copper, zinc, arsenic and iron from sulfide materials by leaching under relatively mild oxygen pressure and temperature conditions with sulfuric acid and sodium nitrite. ld-3474I
Anderson Corby G.
Harrison Kevin D.
Krys Leo Ernest
Gowling Lafleur Henderson Llp
Sunshine Precious Metals Incorporated
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