Trivalent chromium electrolyte and process employing neodymium r

Details Trivalent chromium electrolyte and process employing neodymium r Trivalent chromium electrolyte and process employing neodymium r

1983-05-12

1984-03-27

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204DIG13, 210757, 423 53, 423607, C25D 306

Patent

active

044392850

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 neodymium 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: 4184929 (1980-01-01), Tomaszewski et al.

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