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International Journal of Electrochemistry
Volume 2011, Article ID 538341, 6 pages
Research Article

Theory of Square-Wave Voltammetry of Two-Step Electrode Reaction Using an Inverse Scan Direction

Department of Marine and Environmental Research, “Ruđer Bošković” Institute, P.O. Box 180, 10002 Zagreb, Hrvatska, Croatia

Received 22 March 2011; Accepted 14 April 2011

Academic Editor: Valentin Mirceski

Copyright © 2011 Milivoj Lovrić and Šebojka Komorsky-Lovrić. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A theory of square-wave voltammetry of two-step electrode reaction with kinetically controlled electron transfers is developed, and a special case of thermodynamically unstable intermediate is analyzed. If the first reaction step is reversible and the second one is quasireversible, the response splits into two peaks if the scan direction is inverted. The separation of these peaks increases with frequency.