Preparation of Poly(fuchsin basic) Modified Electrode and Its Application

Abstract

Abstract: In this paper, the polymerization process and mechanism of fuchsin basic at the glassy carbon electrode were investigated.The polymerization conditions such as applied potential, time and buffer solution were found to affect the polymerzation process.In addition,the modified electrode showed a catalytic ability to the voltammetric response of dopamine.This ability was applied to the determination of dopamine in solution.In pH=7.0 phosphate buffer solution, the linear range of dopamine was 2 × 10^－7～1× 10^－5 mol/Land the detection limit was 1 × 10^－7 mol/L.This modified electrode had a good stability, high selectivity and fast response.

Key words: Fuchsin basic, Polymer modified electrode, Dopamine

TrendMD:

SUN Deng-Ming, GU Hai-Ying, YU Ai-Min, CHEN Hong-Yuan. Preparation of Poly(fuchsin basic) Modified Electrode and Its Application[J]. Chem. J. Chinese Universities, 1997, 18(3): 376.

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Preparation of Poly(fuchsin basic) Modified Electrode and Its Application

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