Process for chromating surfaces of zinc, cadmium and alloys ther

Details Process for chromating surfaces of zinc, cadmium and alloys ther Process for chromating surfaces of zinc, cadmium and alloys ther

1992-10-23

1994-11-29

Silverberg, Sam

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

148267, 148252, C23C 2226

Patent

active

053686551

ABSTRACT:
There is described a process for chromating an article formed of a metal selected from the group consisting of zinc, cadmium and alloys thereof, which includes immersing the article in a water solution of a soluble chromic oxalate complex at a pH of from 1.2 to 3.0.

REFERENCES:
patent: 2559812 (1951-07-01), Watson
patent: 2819193 (1958-01-01), Rausch
patent: 3279958 (1966-10-01), Maurer

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