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Determination of nitrite with the electrocatalytic property to the oxidation of nitrite on thionine modified aligned carbon nanotubes

Zhao, Kun and Song, Haiyan and Zhuang, Shuqi and Dai, Liming and He, Pingang and Fang, Yuzhi (2007) Determination of nitrite with the electrocatalytic property to the oxidation of nitrite on thionine modified aligned carbon nanotubes. ELECTROCHEMISTRY COMMUNICATIONS, 9 (1). pp. 65-70.

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Official URL: http://dx.doi.org/10.1016/j.elecom.2006.07.001

Abstract

A thionine modified aligned carbon nanotubes (ACNTs) electrode was fabricated and was used to electrochemically determine nitrite. The thionine modified ACNTs electrode exhibited enhanced electrocatalytic behavior to the oxidation of nitrite. The electrochemical mechanism of the thionine/ACNTs electrode towards the oxidation of nitrite was discussed. The thionine modified ACNTs electrode exhibited fast response towards nitrite with a detection limit of 1.12 x 10(-6) mol L-1 and a linear range of 3 x 10(-6) - 5 x 10(-4) mol L-1. The proposed method was successfully applied in the detection of nitrite in real samples. (c) 2006 Elsevier B.V. All rights reserved.

Item Type:Article
Uncontrolled Keywords:thionine; aligned carbon nanotubes; nitrite; modified electrode; electrocatalytic oxidation
Subjects:Analytical Science > Nanotechnology for sensing and actuating
Physical Science > Nano objects
Material Science > Nanochemistry
ID Code:3233
Deposited By:Anuj Seth
Deposited On:14 Jan 2009 13:38
Last Modified:20 Jan 2009 15:54

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