Trivalent chromium electrolyte and process employing vanadium re

Details Trivalent chromium electrolyte and process employing vanadium re Trivalent chromium electrolyte and process employing vanadium re

1980-11-10

1983-07-12

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 306

Patent

active

043929222

ABSTRACT:
An aqueous acidic trivalent chromium electrolyte and process for electrodepositing chromium platings comprising an electrolyte containing trivalent chromium ions, a complexing agent, halide ions, ammonium ions and a reducing agent comprising vanadium ions present in an amount effective to maintain the concentration of hexavalent chromium ions formed in the bath at a level at which satisfactory chromium electrodeposits are obtained.

REFERENCES:
patent: 1795459 (1931-03-01), Westbrook
patent: 2739109 (1956-03-01), Quaely
patent: 2824829 (1958-02-01), Quaely
patent: 3954574 (1976-05-01), Gyllenspetz et al.
patent: 4184929 (1980-01-01), Tomaszewski et al.
J. K. Dennis et al., "Nickel and Chromium Plating", pp. 185-186, (1972).

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