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Electrochemical Behavior Of Buprofezin On Glass-Carbon Electrode, Qi Wang, Chang-Guo Chen
Electrochemical Behavior Of Buprofezin On Glass-Carbon Electrode, Qi Wang, Chang-Guo Chen
Journal of Electrochemistry
Electrochemical behavior of Bup has been investigated by means of cyclic voltammetry,linear sweep voltammetry,differential pulse voltammetry and square wave voltammetry.The results indicate that the electrochemical behavior of Bup on the surface of glassy carbon electrode is corresponding to a irreversible two-protons and two-electrons process with absrption.The square wave voltammetry for determination of Bup in actual samples has been established.
Electrochemical Behavior Of Tanshinoneⅱa And Its Determination, Guang-Wen Li, Xin-Hua Lin, Xiao-Yan Lin
Electrochemical Behavior Of Tanshinoneⅱa And Its Determination, Guang-Wen Li, Xin-Hua Lin, Xiao-Yan Lin
Journal of Electrochemistry
The electrochemical behavior of TanshinoneⅡA was investigated by voltammetry at a glassy carbon electrode.And Differential Pulse Voltammetric method for determination of TanshinoneⅡA was developed.In pH 4.0 acetate buffer solution,the relationship between oxidation peak current of Differential Pulse Voltammetric and the concentration of Tanshinone ⅡA was linear in the range of 3.0×10 ~(-7)～2.0×10 ~(–5) mol·L~(-1).The detection limit had been estimated as 2.0×10~(-8) mol·L~(-1).The interference of other components in the preparation could be efficiently eliminated by the glassy carbon electrode.This method can be used for the determination of TanshinoneⅡA in real sample with satisfactory results