Abstract
The electrochemical dissolution of nickel in sulphuric acid by alternating current has been studied. Experiments with sine wave a.c. (50 cps) have shown that the dissolution efficiency increases with increase in concentration of sulphuric acid as well as current density. However, the dissolution efficiency increases with increase in concentration of sulphuric acid but decreases with increase in current density when square wave type a.c. of low frequency (0.5 cps) is used. Increase of frequency of square wave a.c. increases the dissolution efficiency.
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