Abstract
The dissolution of iron in nitrate-containing acid sodium sulphate solutions was studied with the aid of the rotating disc electrode. It was found that the corrosion rate was limited by the diffusion of the hydrogen ions and any other ions acting as proton donors. The observed values of corrosion current are in good agreement with the values calculated by the corrected equation of Levich. An equation expressing the relation between the corrosion potential decay and the angular velocity of the rotating disc electrode was derived and experimentally verified.
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