Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Depositing predominantly alloy coating
Patent
1995-08-17
1997-03-11
Phasge, Arun S.
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Depositing predominantly alloy coating
205245, 205244, 205305, C25D 500
Patent
active
056097476
ABSTRACT:
A method of dissolving zinc oxide in which, to perform continuous zinc-system electroplating of a steel sheet using an insoluble anode, particularly continuous zinc-nickel alloy electroplating, a dissolution bath is provided in a circuit for a sulfuric acid plating liquid, and zinc oxide is dissolved in the plating liquid in the dissolution bath. The amount of zinc oxide thrown in is controlled during dissolution of zinc oxide so that the pH of the plating liquid at an outlet of the dissolution bath does not exceed 2.3.
REFERENCES:
patent: 4401523 (1983-08-01), Avellone
patent: 4610937 (1986-09-01), Ito et al.
patent: 4663000 (1987-05-01), Liu
patent: 4684450 (1987-08-01), Everett
Ikenaga Takao
Ikenaga Yuuji
Mizuta Tamotsu
Nakano Hiroshi
Okada Yasuhide
Kawasaki Steel Corporation
Miller Austin R.
Phasge Arun S,.
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