On Inhibiting the Iron Anodic Dissolution in Acid Sulfate
Electrolyte by Tetrabutylammonium Cations

A. I. Marshakov, T. A. Nenasheva, A. A. Rybkina, and M. A. Maleeva

Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences,
Leninskii pr. 31, Moscow, 119991 Russia
E-mail: mar@ipc.rssi.ru

Received November 8, 2005

Abstract—The surface coverage with atomic hydrogen () is calculated for iron electrode as a function of the
number of adsorbed tetrabutylammonium cations and hydrogen concentration in the metal phase (C). It is
shown that the effect of the organic inhibitor of acid corrosion on the rate of iron potentiostatic dissolution is
due to the increase in the /C ratio.

PACS numbers: 81.65.Kn; 81.65.Rv; 82.45.Bb

DOI: 10.1134/S0033173207010110

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