Memoirs of the Faculty of Engineering, Okayama University

Published by Faculty of Enginerring, Okayama University

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Memoirs of the School of Engineering, Okayama University

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DOI : http://doi.org/10.18926/15768

Electrochemistry of Redox Reaction II. On the Kinetic Equations for Chronopotentiometry

Ohzuku Tsutomu Department of Synthetic Chemistry

Sawai Keijiro Department of Synthetic Chemistry

Hirai Taketsugu Department of Applied Chemistry, Faculty of Engineering, Osaka City University

Mem_Sch_Eng_OU_18_1_57.pdf 546 KB

抄録

Basic kinetic equations of chronopotentiometric potential-time curves, in which the equations for reversible, quasi-reversible and irreversible electron transfer process appeared in special cases, were given and a chronopotentiometric method for determining kinetic parameters was proposed therefrom. The method was demonstrated for Fe(3+)/Fe(2+) redox reaction in acidic aqueous media. The limitations of the method and the double-layer charging effects on the potential-time curve were discussed. The extension of the method to more general electrode processes was also considered.

ISSN

0475-0071

NCID

AA00733903

NAID

120002307985