C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
23/105, 204/29
C01G 7/00 (2006.01) C01B 21/50 (2006.01) C25D 3/48 (2006.01)
Patent
CA 1036321
ABSTRACT OF THE DISCLOSURE This invention relates to the electroplating of gold using a gold complex which is prepared by reacting an alkali metal gold sulphite with a complexing salt which is an alkali metal nitrite. The complex has the empirical formula M4AuNO8S2 where M is the alkali metal preferably sodium. A gold electroplating bath is also described consisting of the complex together with an alkali metal nitrite.
177505
Bradford Christopher W.
Middleton Harry
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