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首页> 外文期刊>International Journal of Electrochemistry >Using Poly-L-Histidine Modified Glassy Carbon Electrode to Trace Hydroquinone in the Sewage Water
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Using Poly-L-Histidine Modified Glassy Carbon Electrode to Trace Hydroquinone in the Sewage Water

机译：聚-L-组氨酸修饰的玻碳电极在污水中痕量对苯二酚

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摘要

A sensitive voltammetric method for trace measurements of hydroquinone in the sewage water is described. The poly-L-histidine is prepared to modify the glassy carbon electrode in order to improve the electrochemical catalysis of interesting substances such as hydroquinone. The influence of the base solution, pH value, and scanning speed on the tracing of hydroquinone is discussed, and the experimental procedures and conditions are optimized. The laboratory results show that it is possible to construct a linear calibration curve between the peak current of hydroquinone on modified electrode and its concentration at the level of 0.00001 mol/L. The potential limitation of the method is suggested by a linear peaking shift model as well. The method was successfully applied to the determination of hydroquinone in the actual sample of industrial waste water.
机译：描述了一种用于痕量测量废水中对苯二酚的灵敏伏安法。制备聚-L-组氨酸以修饰玻璃碳电极，以改善诸如氢醌之类的令人感兴趣的物质的电化学催化作用。讨论了碱溶液，pH值和扫描速度对对苯二酚示踪的影响，并优化了实验程序和条件。实验结果表明，在修饰电极上对苯二酚的峰值电流与浓度在0.00001 mol / L之间可建立线性校正曲线。该方法的潜在局限性也由线性峰漂移模型提出。该方法已成功应用于工业废水实际样品中对苯二酚的测定。

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