Trace determination of clenbuterol with an MWCNT-Nafion nanocomposite modified electrode

被引：38
|
作者：
Guo, Ren-Xia [1 ]
Xu, Qin [1 ]
Wang, De-Yan [1 ]
Hu, Xiao-Ya [1 ]
机构：
[1] Yang Zhou Univ, Dept Chem, Jiangsu, Peoples R China
来源：
MICROCHIMICA ACTA | 2008年 / 161卷 / 1-2期
关键词：
clenbuterol; carbon nanotubes; Nafion; nanocomposite; electrochemical;
D O I：
10.1007/s00604-007-0766-3
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A method for the determination of trace clenbuterol is described. Multi-walled carbon nanotubes (MWCNTs)-Nafion composite was used to modify the glassy carbon electrode (GCE). The modified electrode showed high sensitivity and good selectivity for clenbuterol detection. It offered a linear range of 1.0 x 10(-9)-1.0 x 10(-6) mol . L-1 with a detection limit of 5.0 x 10(-10) mol . L-1 in pH = 1.2 solution. The oxidation mechanism of clenbuterol on the electrode was also investigated.
引用
收藏
页码：265 / 272
页数：8
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