Voltammetric determination of bisphenol using a nanostructure based electrochemical sensor
Publish place: 11th Annual Electrochemistry Seminar of Iran
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ELECTROCHEMISTRY011_112
تاریخ نمایه سازی: 5 بهمن 1395
Abstract:
Bisphenol A, is a chemical intermediate widely used in the synthesis of polycarbonate and epoxy resins, unsaturated polyester-styrene resins and flame-retardants (Lee et al. 2015). Bisphenol A ismainly released into the environment in wastewater from plastics-producing industrial plants andlandfill sites [1]. Graphene, a new class of promising carbon material, is of great interest. Because of these properties, a wide spread range of novel materials and applications have already been generated in various fields, including biomedical sensors, nanoelectronic devices, transparent electrodes, photodetectors, hydrogen storage, solarcells, fuel cells, electrical batteries and supercapacitors [2]. In the present work, a novel carbon paste electrode modified withgraphene oxide nanosheets and an ionic liquid was fabricated. The electrochemical study of the modified electrode, as well as its efficiency for voltammetric oxidation of bisphenol A, is described. Square wave voltammetry exhibits a linear dynamic range from 9.0 × 10−8 to 2.5 × 10−4M 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 standard addition method.
Keywords:
Authors
Hadi Beitollahi
Environment Department, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran
Somayeh Tajik
Department of Chemistry, Shahid Bahonar University of Kerman, P.O. Box 76175-133, Kerman, Iran