Preparation of Poly ( Bromophenol Blue ) Modified  Glassy  Carbon Electrode and its Electrocatalytic Activity

Abstract

Abstract: A film of poly ( bromophenol blue ) was formed on a glassy carbon electrode by using cyclic voltammetry. A stable film could be obtained with a potential range from -1.0V to +1.8V(vs.Ag/AgCl). The experimental results showed that the poly ( bromophenol blue ) modified glassy carbon electrode could catalyse the oxidation of ascorbic acid. It decreased the oxidation potential by about 270mV but increased the peak current. Meanwhile, this electrode showed a good linear current response for the ascorbic acid range from 2.5 to 250 (g/mL.)

Key words: Bromophenol blue, Electrochemically polymerization, Electrocatalytic oxidation, Ascorbic acid, Glassy carbon electrode

CLC Number:

O646

CHEN Wei,LUO Hong-bin,LIN Xin-hua~*. Preparation of Poly ( Bromophenol Blue ) Modified Glassy Carbon Electrode and its Electrocatalytic Activity[J]. Journal of Electrochemistry, 2005, 11(1): 92-95.

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Preparation of Poly ( Bromophenol Blue ) Modified Glassy Carbon Electrode and its Electrocatalytic Activity

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