Au/GC电极对水中15种苯酚衍生物的测定  

Electrocatalytic Determination of 15 Kinds of Phenolic Compounds by Novel Gold Nanoparticles-Modified Glassy Carbon Electrode

作　　者：崔艳萍[1] 王卫星[1] 杨昌柱[2] 濮文虹[2] 

机构地区：[1]中国地质大学(武汉)环境学院,湖北武汉430074 [2]华中科技大学环境科学与工程学院,湖北武汉430074

出　　处：《电化学》2011年第4期405-409,共5页Journal of Electrochemistry

基　　金：国家自然科学青年科学基金(No.40902070);中国地质大学(武汉)生物地质与环境地质教育部重点实验室开放基金(No.BGEG1013);中国地质大学(武汉)校优秀青年教师资助计划(No.CUGQNL0902)资助

摘　　要：研究了15种不同取代基苯酚衍生物在纳米金/玻碳(Au/GC)电极上的电化学响应.测试表明:该电极对15种苯酚衍生物的电化学反应各呈现出不同程度的电催化作用;与GC和平面金电极相比,苯酚衍生物的氧化峰电流均有所增加,氧化电位受待测物反应活性影响较大;水杨酸在Au/GC电极上响应迅速,电流灵敏度是GC电极的1.8倍;该电极可用于多种苯酚衍生物的痕量测定.A gold nanoparticles-modified glassy carbon electrode（Au/GC） was used to detect 15 kinds of phenolic compounds.In the cyclic voltammetry measurements,the peak currents of phenolic compounds at Au/GC electrode were all increased as compared with GC electrode and planar gold electrodes,and the oxidation potentials were determined by the activity of analytes.Besides,the electrocatalysis of salicylic acid was studied at Au/GC electrode.The results showed that there was a good linear relationship between the oxidation current and the concentration of salicylic acid,and the current sensitivity was 1.8 fold higher than that obtained on GC electrode.Trace phenolic compounds determination could be realized on the modified electrode.

关 键 词：纳米金 酚类衍生物 电化学测定 

分 类 号：O657.1[理学—分析化学]