The Study of Normal Dual Pulse Superimposed Four Potential Step Differential Voltammetry--Theory of Reversible Electrode Processes and Experimental Verifications

Chem. J. Chinese Universities ›› 1993, Vol. 14 ›› Issue (2): 192.

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The Study of Normal Dual Pulse Superimposed Four Potential Step Differential Voltammetry--Theory of Reversible Electrode Processes and Experimental Verifications

FANG Yu-Zhi, LIU Xin-Yu, TONG Wei, HE Pin-Gang

1. Department of Chemistry, East Cham Normal Unitersity, Shanghai, 200062;
2. Laboratory of Electroanalytical chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun

Received:1992-06-02 Revised:1992-11-08 Online:1993-02-24 Published:1993-02-24

Abstract

Abstract: The theoretical current equations of the new pulsed voltammetric technique; normal dual pulse superimposed four potential step differential voltammetry, proposed by the authors, for reversible electrode processes have been deduced based on the superimposition princilpe.The validity of the current equations was verified by experiments in both amalgam and non-amalgam formation systems.The effects of scan waveform parameters, such as scan increment (E_S), pulse height (AE), pulse period(T) etc., on the peak current and peak shape have also been disscussed.The experimental results were in good agreement with the theoretical predictions of the proposed current equations.

Key words: Voltammetry, Pulse, Reversible electrode process.Current theory

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FANG Yu-Zhi, LIU Xin-Yu, TONG Wei, HE Pin-Gang. The Study of Normal Dual Pulse Superimposed Four Potential Step Differential Voltammetry--Theory of Reversible Electrode Processes and Experimental Verifications[J]. Chem. J. Chinese Universities, 1993, 14(2): 192.

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The Study of Normal Dual Pulse Superimposed Four Potential Step Differential Voltammetry--Theory of Reversible Electrode Processes and Experimental Verifications

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