C - Chemistry – Metallurgy – 25 – D
Patent
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.
389948
Miscioscio Kathleen B.
Smith Paul T.
Hooker Chemicals & Plastics Corp.
Swabey Ogilvy Renault
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