Compositions and method for stripping gold from copper...

Details Compositions and method for stripping gold from copper... Compositions and method for stripping gold from copper...

C - Chemistry, Metallurgy

09

K

149/14

C09K 13/00 (2006.01) C23F 1/44 (2006.01)

Patent

CA 1225313

ABSTRACT OF THE DISCLOSURE An improved composition for selectively stripping gold from a metal substrate, especially copper metal, wherein the gold deposit is rapidly and effectively stripped without an attendant attack on the metal substrate. A minor amount of an organo mercapto compound, e.g. mercaptobenzothiazole, is added to the stripping composition to inhibit attack on the metal substrate. -16-

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