Abstract
Cylinders of iron, zinc, and cadmium were rotated in a highly corrosive solution of acid containing nitrate ion as a depolarizer, as described previously. Three kinds of inhibitors were added to the solution : (a) dichromate ion plus complexing or chelating agents for metal ions; (b) a wetting or emulsifying agent which is strongly adsorbed; and (c) a reagent which forms a very insoluble precipitate with ferrous and ferric ions. Measurements of the effectiveness of these inhibitors are given.
Published Version
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