Brass plating

Details Brass plating Brass plating

1976-10-04

1977-08-16

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 356, C25D 358

Patent

active

040424707

ABSTRACT:
This invention relates to a composition and process for electrodepositing semi-bright to bright brass from an aqueous alkaline cyanide electroplating solution containing at least one copper compound providing copper ions, at least one zinc compound providing zinc ions, and as a cooperating additive 0.1 to 10 grams per liter of at least one compound having the following generalized structural formula: ##STR1## where R.sub.1 and R.sub.2 are separately hydrogen, an alkyl group such as methyl, ethyl, isopropyl, etc., or a hydroxy alkyl group such as hydroxy methyl, hydroxy ethyl, etc. and R.sub.3 is hydrogen or a straight or branched chain alkyl sulfonic or carboxylic acid of from one to ten carbon atoms, or salts thereof, or a straight or branched chain hydroxy alkyl group of from one to five carbon atoms.

REFERENCES:
patent: 3930965 (1976-01-01), Abbott
Abner Brenner, "Electrodeposition of Alloys," vol. I, pp. 422-438, (1963).

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