Voltammetric Determination of Tetracycline by Using Multi-Wall Carbon Nanotube - Ionic Liquid Film Coated Glassy Carbon Electrode

被引：0
|
作者：
Guo, Gaiping [1 ]
Zhao, Faqiong [1 ]
Xiao, Fei [1 ]
Zeng, Baizhao [1 ]
机构：
[1] Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2009年 / 4卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Tetracycline; ionic liquid; carbon nanotube; voltammetry; SOLID-PHASE EXTRACTION; CHROMATOGRAPHY; RESIDUES; ANTIBIOTICS; BIOSENSOR; WATER; MILK;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A voltammetric method was developed for the determination of tetracycline (TC) by using an ionic liquid (IL, 1-octyl-3-methylimidazolium-hexafluorophosphate) - multi-wall carbon nanotube (MWNT) film coated glassy carbon electrode (GCE). Experiment showed that both IL and MWNT could facilitate the TC oxidation. Thus on the electrode TC exhibited a sensitive anode peak at 0.54 V (vs. SCE) in pH 7.0 phosphate buffer solutions. Under the optimized experimental conditions, the peak current was linear to TC concentration in the range of 1.1x10(-7)-2.2x10(-5) M for 150 s accumulation. The electrode had good reproducibility. It was successfully applied to the detection of TC in egg and pharmaceutical samples.
引用
收藏
页码：1365 / 1372
页数：8
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