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1 Polish Journal of Chemistry

1 1998

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The analysis of resistance change in diffusion controlled electrode processes

Gatner K., Zięba A.

Polish Journal of Chemistry

1998

Vol. 72, nr 8

1971-1980

The resistance changes in diffusion limited electrode processes are given and compared with experimentally determined by high frequency resistometry (HFR) combined eith potentiostatic, galvanostatic and cyclic voltammetry methods. The general shape of resistance-time dependence is similar to current time transients in potentiostatic and potential time transients in galvanostatic experiments. The resistance-potential dependence in cyclic resistometry exhibits a sigmoidal shape, simila to the convolutive CV current function. The greatest change of the electrolyte resistance takes place near the electrode surface. High frequency resistometry provides independent parameters to those obtained from other electrochemical methods.