Electrochemical Determination of Pentachlorophenol Using a Glassy Carbon Electrode Modified with a Film of CuS Nanocomposite-Chitosan

被引：13
|
作者：
Zou, Jing [1 ]
Ma, Jinai [1 ]
Zhang, Yuanxiao [1 ]
Li, Lu [1 ]
Jiang, Jizhou [2 ]
Chen, Jinfang [1 ]
机构：
[1] Wuhan Inst Technol, Sch Chem Engn & Pharm, Key Lab Green Chem Proc, Minist Educ, Wuhan 430073, Peoples R China
[2] Huazhong Univ Sci & Technol, Coll Chem & Chem Engn, Wuhan 430074, Peoples R China
来源：
ANALYTICAL LETTERS | 2013年 / 46卷 / 07期
关键词：
CuS nanocomposite; Cyclic voltammetry; Modified electrode; Pentachlorophenol; COPPER SULFIDE; NANOTUBES; WATER; CHLOROPHENOLS; HPLC; WOOD;
D O I：
10.1080/00032719.2012.749483
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new electrochemical sensor was fabricated by modifying the glass carbon electrode surface with CuS nanocomposites and chitosan for the determination of pentachlorophenol. CuS nanocomposites obtained by a solvothermal method were composed primarily of CuS with hexagonal phase and Cu2Cl(OH)3 with a tetragonal phase. The results indicated that CuS nanocomposites possessed good electrochemical activity. After optimizing the experimental conditions, the linear dependence of current vs. pentachlorophenol concentration was reached in a range from 1.88x1067.50x105mol/L pentachlorophenol, and the detection limit was 6.25x107mol/L. The electrode displayed a high degree of stability and reproducibility. A new, simple, rapid, and highly sensitive electrochemical detection method of pentachlorophenol was established.
引用
收藏
页码：1108 / 1116
页数：9
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