Zinc anode benefaction

Details Zinc anode benefaction Zinc anode benefaction

1975-01-06

1976-08-03

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 322

Patent

active

039727882

ABSTRACT:
This invention relates to an improved method of electroplating zinc while simultaneously effecting enhanced anode corrosion characteristics, which comprises passing current from a zinc anode to a metal cathode through a plating solution containing at least one organic brightener, a chloride-containing salt providing chloride anions and boric acid as a buffer in the absence of ammonium cations, chelating agents, and complexing agents for a time period sufficient to deposit a zinc electrodeposit upon said cathode; the improvement consisting of the current passing through an aqueous acidic bath composition containing zinc sulfamate providing zinc cations for electroplating zinc.

REFERENCES:
patent: 3778358 (1973-12-01), Holker
patent: 3822194 (1974-07-01), Rushmere

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