Multiwall Carbon Nanotubes-modified Glassy Carbon Electrode for Square-wave Stripping Voltammetric Determination of Aqueous Antimony (III) ion

被引：3
|
作者：
Guo, Yaoguang [1 ]
Yan, Wei [2 ]
Lou, Xiaoyi [1 ]
Xiao, Dongxue [1 ]
Zhai, Ping [1 ]
Zhao, Guangchao [3 ]
Zhang, Wugang [1 ]
Huang, Peng [1 ]
Wang, Zhaohui [1 ]
Liu, Jianshe [1 ]
机构：
[1] Donghua Univ, Coll Environm Sci & Engn, Shanghai 201620, Peoples R China
[2] Environm Protect Bur Nanjing Qixia Dist, Nanjing 210000, PR, Peoples R China
[3] Anhui Normal Univ, Coll Environm Sci & Engn, Wuhu 241003, PR, Peoples R China
来源：
ADVANCES IN ENVIRONMENTAL SCIENCE AND ENGINEERING, PTS 1-6 | 2012年 / 518-523卷
基金：
中国国家自然科学基金;
关键词：
multiwall carbon nanotubes; square-wave stripping voltammetry; glassy carbon electrode; antimony (III); SAMPLES;
D O I：
10.4028/www.scientific.net/AMR.518-523.1571
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A glassy carbon electrode (GCE) modified with multiwall carbon nanotubes (MWCNTs) for electrochemical square-wave stripping voltammetric (SWV) determination of antimony (111) was introduced. Various experimental parameters, such as the amounts of carbon nanotubes, the deposition potential and time, the electrolyte solution, etc, were thoroughly optimized and discussed. Under the optimum experimental conditions, the MWCNTs-modified GCE exhibited well linear behaviour in the antimony(III) concentration range from 0.04 to 0.26 mg/L (R=0.9983) with a detection limit of 3.20x10(-4) mg/L (S/N=3) under a 360 s accumulation. The proposed electrode also exhibited encouraging properties for measurements of simulated water samples.
引用
收藏
页码：1571 / +
页数：2
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