Construction of a nanostructure-based electrochemical sensor for voltammetric determination of bisphenol A

被引：59
作者：
Beitollahi, Hadi [1 ]
Tajik, Somayeh [2 ]
机构：
[1] Grad Univ Adv Technol, Inst Sci & High Technol & Environm Sci, Dept Environm, Kerman, Iran
[2] Shahid Bahonar Univ Kerman, Dept Chem, Kerman, Iran
来源：
ENVIRONMENTAL MONITORING AND ASSESSMENT | 2015年 / 187卷 / 05期
关键词：
Bisphenol A; Graphene oxide nanosheets; Carbon paste electrode; Ionic liquids; CARBON-PASTE ELECTRODE; LIQUID-FUNCTIONALIZED GRAPHENE; TEMPERATURE IONIC LIQUIDS; POTENTIOMETRIC SENSOR; FOLIC-ACID; URIC-ACID; SENSITIVE DETERMINATION; GAS-CHROMATOGRAPHY; MEMBRANE SENSORS; COMPLEX;
D O I：
10.1007/s10661-015-4506-6
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A novel carbon paste electrode modified with graphene oxide nanosheets and an ionic liquid (n-hexyl-3-methylimidazolium hexafluoro phosphate) was fabricated. The electrochemical study of the modified electrode, as well as its efficiency for voltammetric oxidation of bisphenol A, is described. The electrode was also employed to study the electrochemical oxidation of bisphenol A, using cyclic voltammetry, chronoamperometry, square wave voltammetry and electrochemical impedance spectroscopy as diagnostic techniques. Square wave voltammetry exhibits a linear dynamic range from 9.0x10(-8) to 2.5x10(-4) M and a detection limit of 55.0 nM for bisphenol A. Finally, this new sensor was used for determination of bisphenol A in water samples using the standard addition method.
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页码：1 / 11
页数：11
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