Sensitive voltammetric determination of xanthinol nicotinate at a carbon nanotubes-ionic liquid gel modified electrode

查看全文 作　　者：XiaoYu Bao Yu FengTang Hao Yang Xin [1]Chen 机构地区：[1]Chemistry & Pharmaceutical Engineering College, Nanyang Normal Universi~, Nanyang 473061, PR China 出　　处：《Chinese Chemical Letters》索引2009年第20卷第7期,共3页 基　　金：the financial support of the Takle Key Problem of Science;Technology of Nanyang City,PR China(No.2006G0707). 摘　　要：The electrochemistry of xanthinol nicotinate(Xan) was studied by cyclic voltammetry at a glassy carbon electrode modified by a gel containing multi-walled carbon nanotubes(MWNTs) and room-temperature ionic liquid of 1-butyl-3-methylimidazolium hexafluorophosphate(BMTMPF_6).The modified electrode exhibited good promotion to the electrochemical oxidation of Xan and an ultrasensitive electrochemical method was proposed for the determination of Xan.This method was successfully applied to the determination of Xan in Xan tablets. 关 键 词：多壁碳纳米管 室温离子液体 循环伏安法 修饰电极 测定 烟酸 电化学方法 敏感