Composition and process for electroplating white palladium

Details Composition and process for electroplating white palladium Composition and process for electroplating white palladium

C - Chemistry, Metallurgy

25

D

204/29.5

C25D 3/50 (2006.01)

Patent

CA 1180675

ABSTRACT OF THE DISCLOSURE The invention is concerned with electropla- ting baths suitable for obtaining white deposits of palladium metal. The bath comprises diaminodinitrite, an ammonium salt, and a sufficient amount of ammonium hydroxide to obtain a bath pH of about 9. Buffers such as ammonium biborate may be employed to maintain the necessary bath pH during electroplating operations to produce a thin, white deposit of palladium metal. A process of using such elec-troplating baths to produce white deposits of palladium metal on substrates is also disclosed.

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