Inventors:
Yvonne Rymwid - Little Falls NJ
Kenneth Baker - Bridgewater NJ
Assignee:
OMI International Corporation - Warren MI
International Classification:
C25D 346
Abstract:
An electrolytic bath for the production of mirror bright silver deposits comprising an alkali metal silver cyanide as the source of silver; boric acid, citric acid, alkali or ammonium metal salts of such acids, as well as mixtures thereof; selenous acid or alkali metal selenite; and, in certain preferred baths, antimony in the form of an alkali metal carboxylic acid salt. The bath is designed to be operated at high current densities of from 200 to 5,000 ASF, i. e. about 20 to 500 ASD. The process of utilizing such as electrolytic bath is also disclosed and claimed.