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

C - Chemistry, Metallurgy

25

D

204/115

C25D 21/12 (2006.01) G01N 27/48 (2006.01) G01R 11/14 (2006.01)

Patent

CA 1166187

ABSTRACT OF THE DISCLOSURE A method for determining current efficiency in a galvanic bath employs a measuring cell within which a sample is introduced from the gal- vanic 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 preci- pitated layer is anodically eroded by use of a suitable electrolyte solution upon pole-reversal of the DC voltage. The current efficiency is then calcu- lated.

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