silver and silver / gold pleteringsbad

摘要

Stabilization of an aqueous alkaline bath for electrode-position of silver or suitable silver alloys on a substrate, said bath essentially lacking in free cyanides and containing an imine brightening agent, said stabilization being achieved upon addition of boric acid and an ammonium or alkali metal hydroxide to effect a pH range of 8.0 to about 9.5; and the corresponding bath.