The Theory and Experimental Verification of Double Potential Step Chronoamperometry and Chronocoulometry at Microring Electrodes

Chem. J. Chinese Universities ›› 1996, Vol. 17 ›› Issue (11): 1697.

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The Theory and Experimental Verification of Double Potential Step Chronoamperometry and Chronocoulometry at Microring Electrodes

WU Zhi-Bin¹, ZHANG Zu-Xun²

1. Department of Chemistry, Tongji University, Shanghai, 200092;
2. Department of Chemistry, Nanjing University

Received:1995-11-13 Online:1996-11-24 Published:1996-11-24

Abstract

Abstract: In this paper,analytical expressions for double step potential chronoamperometry and chronocoulometry with simple reversible electrode reaction at microring electrodes are derived.In order to examine the validity of the theory,experiments were carried out on gold microring electrodes with K₄Fe(CN)₆ in 0.5 mol/L KCl solution.The experimental results are in good agreement with the theoretical ones.

Key words: Microring electrode, Double potential step, Chronoamperometry, Chronocoulometry

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WU Zhi-Bin, ZHANG Zu-Xun. The Theory and Experimental Verification of Double Potential Step Chronoamperometry and Chronocoulometry at Microring Electrodes[J]. Chem. J. Chinese Universities, 1996, 17(11): 1697.

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The Theory and Experimental Verification of Double Potential Step Chronoamperometry and Chronocoulometry at Microring Electrodes

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