Chromium electroplating and bath therefor

Details Chromium electroplating and bath therefor Chromium electroplating and bath therefor

1985-05-01

1987-03-10

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 304

Patent

active

046489479

ABSTRACT:
To a conventional chromium electroplating bath containing 450 g/l chromic acid CrO.sub.3 and 4.5 g/l sulphuric acid H.sub.2 SO.sub.4 are added 10 g/l of potassium perchlorate or potassium bromate or potassium iodate or mixtures thereof. Higher current densities may be used in electrodepositing chromium without impairing the quality.

REFERENCES:
patent: 3654101 (1972-04-01), Aoun
patent: 4234396 (1980-11-01), Perakh et al.
patent: 4450050 (1984-05-01), Chessin
R. M. Krishnan et al., Metal Finishing, pp. 55-61, Oct. 1981.

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