Simultaneous Determination of Catechol and Hydroquinone at a Carbon Nanotubes Modified Electrode

被引：0
作者：
Yang Shao-Ming [1 ]
Wei Zhi-Peng [1 ]
Hu Guang-Hui [2 ]
Jiang Dan [1 ]
Huang Ai-Hua [1 ]
Zheng Long-Zhen [1 ]
机构：
[1] E China Jiaotong Univ, Sch Basic Sci, Dept Chem & Chem Engn, Nanchang 330013, Peoples R China
[2] Jiangxi Univ Finance & Econ, Res Ctr New Energy Technol & Applicat, Nanchang 330013, Peoples R China
来源：
CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE | 2010年 / 31卷 / 02期
关键词：
Multi-walled carbon nanotube; Layer-by-layer assembly; Chemically modified electrode; Hydroquinone; Catechol; SELECTIVE DETERMINATION; MULTILAYER FILM; ELECTROCATALYSIS; FABRICATION; DISPERSION; OXIDATION; DOPAMINE;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this paper, carbon nanotubes (CNTs) were dispersed by the use of sodium dodecyl sulfate (SDS). Through layer-by-layer assembly of poly dimethyldiallylammonium chloride (PDDA) and CNTs,, PDDA/CNTs multilayer films modified electrode was fabricated on the gold electrodes. PDDA/CNTs multilayer films were characterized by UV-Vis spectroscopy. The electrochemical behavior of the PDDA/CNTs multilayer modified electrode was studied by the cyclic voltammetry (CV) and differential pulse voltammetric (DPV) in the coexistence of the catechol and hydroquinone. The PDDA/CNTs multilayer modified electrode shows the strong electrocatalytic behaviour and electro-separation. The isomers of catechol and hydroquinone were detected at the same time without the separation. The linear range for the determination of catechol and hydroquinone: catechol is 2.0 x 10(-6)-1.4 x 10(-4) mol/L with the correction coefficient of 0.9991; hydroquinone is 2.0 x 10(-6)-1.4 x 10(-4) mol/L with the correction coefficient of 0.9987.
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页码：264 / 268
页数：5
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