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聚酒石酸修饰玻碳电极的电化学性质及对抗坏血酸测定的研究 被引量:2

Study on the electrochemical behavior of polytartaric acid modified glassy carbon electrode and the determination of ascorbic acid
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摘要 The fabrication and electrochemical characteristics of tartaric acid modified glass carbon electrode were investigated.The electrode was applied to the determination of ascorbic acid.In PBS buffer(pH 7.0),a sensitive oxidation peak was observed.The current was proportional to the concentration of ascorbic acid in the range of 3.8×10-6~3.5×10-3 mol/ L with a detection limit of 1.1×10-6mol/L.The modified electrode had good repeatability.Also,the determination of ascorbic acid in Vc plates was evaluate and the results were satisfactory. The fabrication and electrochemical characteristics of tartaric acid modified glass carbon electrode were investigated. The electrode was applied to the determination of ascorbic acid. In PBS buffer (pH 7.0) ,a sensitive oxidation peak was observed. The current was proportional to the concentration of aseorbic acid in the range of 3.8 × 10^-6 - 3.5 × 10^-3 mol/L with a detection limit of 1.1 × 10^-6mol/L. The modified electrode had good repeatability. Also, the determination of ascorbic acid in Vc plates was evaluate and the results were satisfactory.
出处 《化学研究与应用》 CAS CSCD 北大核心 2009年第2期211-214,共4页 Chemical Research and Application
基金 重庆市教育委员会科研项目(KJ-081103)资助
关键词 酒石酸 抗坏血酸 修饰电极 电催化氧化 tartaric acid ascorbic acid: modified electrode electrocatalytic oxidation
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参考文献10

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