| 聚溴酚蓝修饰玻碳电极的制备及电化学性质 |
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| 引用本文： | 陈伟,罗红斌,林新华. 聚溴酚蓝修饰玻碳电极的制备及电化学性质[J]. 电化学, 2005, 11(1): 92-95 |
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| 作者姓名： | 陈伟 罗红斌 林新华 |
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| 作者单位： | 福建医科大学药学院,福建医科大学药学院,福建医科大学药学院 福建福州,350004,福建福州,350004,福建福州,350004 |
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| 摘 要： | 在含溴酚蓝的磷酸缓冲溶液中,应用循环伏安法于经预处理的玻碳电极上形成聚合物薄膜.结果表明,在-1. 0V~+1. 8V(vs.Ag/AgCl)扫描电位之间形成的薄膜具有较高的电活性和稳定性.该电极对抗坏血酸电化学氧化有催化作用,既使抗坏血酸的氧化电位负移了 270mV,又增大了其氧化峰电流.催化峰电流与抗坏血酸浓度在 2. 5~250μg/mL范围内呈良好的线性关系.
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| 关 键 词： | 溴酚蓝 电化学聚合 电催化氧化 抗坏血酸 玻碳电极 |
| 文章编号： | 1006-3471(2005)01-0092-04 |
| 收稿时间： | 2005-02-28 |
| 修稿时间： | 2004-05-17 |
Preparation of Poly ( Bromophenol Blue ) Modified Glassy Carbon Electrode and its Electrocatalytic Activity |
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| CHEN Wei,LUO Hong-bin,LIN Xin-hua. Preparation of Poly ( Bromophenol Blue ) Modified Glassy Carbon Electrode and its Electrocatalytic Activity[J]. Electrochemistry, 2005, 11(1): 92-95 |
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| Authors: | CHEN Wei LUO Hong-bin LIN Xin-hua |
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| 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.) |
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| Keywords: | Bromophenol blue Electrochemically polymerization Electrocatalytic oxidation Ascorbic acid Glassy carbon electrode |
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