Electrochemical Behavior and Voltammetric Determination of 2,4,6-Triaminopyrimidine at Glassy Carbon Electrode Modified with Multi-Walled Carbon Nanotubes/Nafion

被引：3
|
作者：
Yang, Baocheng [1 ]
Wang, Fei [2 ]
Guo, Sujuan [1 ]
Ye, Baoxian [1 ]
机构：
[1] Zhengzhou Univ, Dept Chem, Zhengzhou 450001, Peoples R China
[2] Henan Inst Engn, Dept Mat & Chem Engn, Zhengzhou 450007, Peoples R China
来源：
ANALYTICAL SCIENCES | 2010年 / 26卷 / 10期
基金：
中国国家自然科学基金;
关键词：
NUCLEAR-MAGNETIC-RESONANCE; THIN-FILM ELECTRODES; SUBSTITUTED PYRIMIDINES; PROTONATION; AMINOPYRIMIDINES; C-13; SPECTROSCOPY; INHIBITORS; COMPOSITE; SITES;
D O I：
10.2116/analsci.26.1071
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A multi-wall carbon nanotubes (MWCNTs) composite with Nation was modified on a glass carbon electrode. The modified electrode was then used as a voltammetric sensor in detecting 2,4,6-triaminopyrunidine (TAP) The surface morphology of the Nafion/MWCNTs composite film was characterized by atomic force microscopy (AFM), and the electrochemical behavior of TAP at this sensor was investigated in detail. The results indicated that the Nafion/MWCNTs modified electrode exhibited efficient electrocatalytic oxidation for TAP with relatively high sensitivity, stability and lifetime Under the optimized condition using linear sweep voltammetry (LSV), the Nafion/MWCNTs modified electrode exhibited a linear voltammetric response for TAP in the concentration range of 2.0 x 10(-7) to 3.6 x 10(-5) mol L-1, with a detection limit of 5.0 x 10(-8) mol L-1. The electrode was applied to detect TAP added to human blood serum, with an average recovery value of 101 3%.
引用
收藏
页码：1071 / 1075
页数：5
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