Prevention of anode bag clogging in nickel iron plating

Details Prevention of anode bag clogging in nickel iron plating Prevention of anode bag clogging in nickel iron plating

1977-03-30

1978-07-18

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 48, 204 49, C25D 312, C25D 320, C25D 356

Patent

active

041013883

ABSTRACT:
This invention relates to a process and composition for the preparation of an electrodeposit which contains at least one metal selected from the group consisting of nickel, cobalt and iron, which comprises passing current from an anode to a cathode through an aqueous plating solution containing at least one member selected from the group consisting of cobalt compounds and nickel compounds and iron compounds to provide cobalt, nickel and ferrous ions for electrodepositing cobalt, nickel, nickel-cobalt alloys, nickel-iron alloys, or nickel-cobalt-iron alloys the improvement comprising the presence of an effective amount of at least one compound or salt which in solution yields at least one member selected from the group consisting of cations of lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium in the said baths in a single or combined concentration of 0.1 gram per liter to 20 grams per liter.

REFERENCES:
patent: 3506547 (1970-04-01), Ambrosia et al.

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