Determination of bisphenol A by Ag nanoparticles/graphene/multi-walled carbon nanotubes composite modified electrode
QIN Hong-wei1, ZHAO Wen-peng1, LIU Yan1, LIAN Shuang1, YOU Guo-hong2
1. College of Chemistry and Materials Engineering, Bohai University, Jinzhou 121013, China; 2. College of Physical Science and Technology, Bohai University, Jinzhou 121013, China
Abstract: Nano-silver/graphene multi-walled carbon nanotube composite modified electrode (AgNPs/GR/MWCNTs/GCE) is prepared via impregnation method and electrochemical reduction method,and its electrochemical performance is characterized by cyclic voltammetry method.Electrochemical behavior of bisphenol A (BPA) on AgNPs/GR/MWCNTs/GCE is studied,and differential pulse voltammetry method is employed to explore the feasibility of using AgNPs/GR/MWCNTs/GCE to detect BPA.Results show that under the optimal conditions,the electrochemical detection peak current height of BPA has an obvious linear relationship with its concentration in the range of 8.0×10-6-1.0×10-4 mol·L-1,with a linear equation of Ip=1.076 1C-5.153 6 and a correlation coefficient of 0.999 4.It is shown that AgNPs/GR/MWCNTs/GCE has a good response to the electrochemical detection of BPA and can be used for the detection of BPA.
秦洪伟, 赵文鹏, 刘妍, 连爽, 尤国红. 纳米银石墨烯多壁碳纳米管复合修饰电极检测双酚A[J]. 现代化工, 2021, 41(2): 261-264.
QIN Hong-wei, ZHAO Wen-peng, LIU Yan, LIAN Shuang, YOU Guo-hong. Determination of bisphenol A by Ag nanoparticles/graphene/multi-walled carbon nanotubes composite modified electrode. Modern Chemical Industry, 2021, 41(2): 261-264.
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