Non-cyanide bright silver electroplating bath therefor, silver c

Chemistry: electrical and wave energy – Processes and products

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204 44, 204 46R, 2603265A, C07D20706, C07D20712, C25D 346, C25D 364

Patent

active

042460778

ABSTRACT:
A silver and silver alloy electroplating bath; electrolytic solution; water-soluble silver complex for incorporation therein; and the process for electrodeposition of silver and silver alloys; wherein the electrolytic solution and bath have a pH of at least 6, is free of cyanide, and comprises a water-soluble complex formed from the reaction of a silver salt or compound and an organic complexing agent selected from a pyrrolidine-2,5-dione or a 3-pyrroline-2.5-dione.

REFERENCES:
patent: 3238112 (1966-03-01), Haslam
patent: 3293157 (1966-12-01), Fackso et al.
patent: 3362895 (1968-01-01), Foulke

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