Electrodeposition of tin-lead alloys and compositions therefor

Details Electrodeposition of tin-lead alloys and compositions therefor Electrodeposition of tin-lead alloys and compositions therefor

1975-10-14

1976-10-05

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204DIG2, C25D 360

Patent

active

039842916

ABSTRACT:
A process, an electrolyte for electrodepositing tin-lead alloys from an aqueous bath, and a salt composition as a solid material adapted for mixing with aqueous solution to effect plating of tin-lead alloys from an electrolyzed bath solution; the bath used is an aqueous solution comprising tin metal salt, such as in the form of stannous pyrophosphate, potassium pyrophosphate, sodium potassium tartrate, and lead as lead pyrophosphate, lead chloride, lead tartrate, or lead acetate; the pH of the bath is from 8.0-9.0 and up to 10.0 and the operating temperature is from 75 to 150.degree.F, the bath is operated with agitation and the anodes are preferably solid tin-lead anodes.

REFERENCES:
Abner Brenner, "Electrodeposition of alloys", vol. II, pp. 4-29, (1963).
J. Vaid, et al., J. Electrochem. Soc., vol. 104, pp. 460-461, (1957).

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