Process and electrolytic bath for making a rhodium-plated articl

Details Process and electrolytic bath for making a rhodium-plated articl Process and electrolytic bath for making a rhodium-plated articl

1981-09-23

1983-11-22

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 43P, C25D 350, C25D 352

Patent

active

044167423

ABSTRACT:
A rhodium-plated article with black or blue color is obtained through electroplating by using a plating bath comprising a conventional acid rhodium bath and an additive consisting of organocarboxylic acid, aromatic sulfonic acid or salts of these, amine, gelatin, butynediol, hypophosphite or a mixture thereof.

REFERENCES:
patent: 1981820 (1934-11-01), Zimmermann
patent: 2057475 (1936-10-01), Cohn
patent: 2067534 (1937-01-01), Keitel
patent: 3729396 (1973-04-01), Browning et al.

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