Method for determining current efficiency in galvanic baths

Details Method for determining current efficiency in galvanic baths Method for determining current efficiency in galvanic baths

1981-07-16

1986-06-17

Tung, T.

Chemistry: electrical and wave energy

Processes and products

204434, 204412, 204290F, G01N 2746

Patent

active

045954623

ABSTRACT:
A method for determining current efficiency in a galvanic bath employs a measuring cell within which a sample is introduced from the galvanic bath. In this sample, onto a preferably rotating electrode metal is precipitated. A negative voltage is applied at constant current during a first predetermined time during the precipitating. Thereafter, the precipitated layer is anodically eroded by use of a suitable electrolyte solution upon pole-reversal of the DC voltage. The current efficiency is then calculated.

REFERENCES:
patent: 3215609 (1965-11-01), Chapelaine
patent: 4102770 (1978-07-01), Moriarity et al.
patent: 4132605 (1979-01-01), Tench et al.
patent: 4153521 (1979-05-01), Litvak et al.
patent: 4229264 (1980-10-01), Graunke
patent: 4310389 (1982-01-01), Harbulak
"Galvanotechnik", vol. 1, 1941, pp. 18-20.
"Handbuch der Galvanotechnik", vol. III, 1969, pp. 438-439.
Blum et al, "Principles of Electroplating & Electroforming", 3d. Ed., 1949, pp. 39-42.

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