Application of Wall-Jet Electrode in Anodic Stripping Voltammetry with Flow Injection Analysis

Chem. J. Chinese Universities ›› 1990, Vol. 11 ›› Issue (1): 18.

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Application of Wall-Jet Electrode in Anodic Stripping Voltammetry with Flow Injection Analysis

Gao Guoqiang¹, Qi Deyao²

1. Teaching and Reseurch Group of Anaiytical Chemistry, China Pharmaceutioal University, Nanjing;
2. Department of Chemistry, Shunghai university of Technology, Shanghai

Received:1988-07-15 Online:1990-01-24 Published:1990-01-24

Abstract

Abstract: Awall-jet electrode was used in anodic stripping voitammetry with flow injection analysis. The equation derived from conventional stripping voltammetry with steady state deposition current is not applicable to a nonsteady state deposition process as in the FIAsystem, Atheoretical equation for the stripping peak current under flow injection condition was proposed. The peak current is predicted to be proportional to the R^3/4(Ris the radius of the working electrode). This relation was verified through experiment results. With this system the experiment results show that the relative standard deviation is 0. 94% for determining 5×10^-7 mol/L Cd( Ⅱ ).

Key words: Wall-jet electrode, Flow injection analysis, Stripping voitamrnetry

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Gao Guoqiang, Qi Deyao. Application of Wall-Jet Electrode in Anodic Stripping Voltammetry with Flow Injection Analysis[J]. Chem. J. Chinese Universities, 1990, 11(1): 18.

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Application of Wall-Jet Electrode in Anodic Stripping Voltammetry with Flow Injection Analysis

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