Method for obtaining bright zinc and cadmium electroplates using

Details Method for obtaining bright zinc and cadmium electroplates using Method for obtaining bright zinc and cadmium electroplates using

1978-07-24

1979-12-04

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

204 55Y, C25D 324, C25D 328

Patent

active

041771311

ABSTRACT:
The addition of an inner salt of a quaternized pyridine carboxamide, preferably 1-benzyl pyridinium-3-carboxamide to aqueous alkaline electroplating baths containing zinc and cadmium ions results in smooth, bright deposits of these metals. High plating efficiency with low consumption of the additive compound is obtained using it either alone or in combination with small amounts of nicotinamide.

REFERENCES:
patent: 2383798 (1945-08-01), Hull
patent: 3318787 (1967-05-01), Rindt et al.
patent: 3411996 (1968-11-01), Rushmere

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