C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/288
C22B 15/00 (2006.01)
Patent
CA 1086072
A method of leaching a copper dross separated from blast furnace lead bullion, which dross is relatively high in sulphur, by leaching the dross with an aqueous solution of ammonium sulphate and ammonium hydroxide.
256766
Hopkin William
Monk Hayden
Marks & Clerk
Metallurgical Development Company
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