The affinity and velocity of an electrochemical reaction, the magnitude and sign of which can be measured are discussed with consideration of all the electrochemical phenomena which can take place on the same metallic surface. The study is facilitated by the knowledge of the polarization curves. This treatment is applied to the behavior of iron in the presence of aqueous solutions (behavior of electrically insulated and non-insulated iron; influence of oxidizing agents upon the potential and upon the speed of corrosion, etc.) These principles also have been applied to a fundamental study of the reactions between hydrogen and some oxidizing substances on a platinum surface, which was published by Wagner and Traud in 1938.

Subject
Equilibrium potential, Anode potential, Electrochemical reactions, Iron, Corrosion reactions, Polarization curves, Electrochemical current, Metals, Risk reduction, Over voltage, Electrodes, Electrode potential, Hydrogen
Copyright 1950 by the National Association of Corrosion Engineers.
1950
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