Fe3O4/GO nanocomposite modified glassy carbon electrode as a novel voltammetric sensor for determination of bisphenol A

被引：21
|
作者：
Beigmoradi, Fariba [1 ]
Beitollahi, Hadi [2 ]
机构：
[1] Grad Univ Adv Technol, Dept Chem, Kerman, Iran
[2] Grad Univ Adv Technol, Inst Sci & High Technol & Environm Sci, Environm Dept, Kerman, Iran
来源：
JOURNAL OF ELECTROCHEMICAL SCIENCE AND ENGINEERING | 2022年
关键词：
Modified electrode; water samples; differential pulse voltammetry; high repeatability; LIQUID-LIQUID MICROEXTRACTION; TANDEM MASS-SPECTROMETRY; PASTE ELECTRODE; ELECTROCHEMICAL DETERMINATION; SELECTIVE DETERMINATION; OXIDE NANOPARTICLES; SCHIFF-BASE; SAMPLES; WATER; FABRICATION;
D O I：
10.5599/jese.1482
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A new voltammetric sensor is proposed for the determination of bisphenol A, using a glassy carbon electrode (GCE) modified with Fe3O4/graphene oxide (GO) nanocomposite. The modification of the electrode surface was performed by dispersion drop-casting. The electrochemical behavior of bisphenol A was evaluated by cyclic voltammetry (CV). The oxidation peak was observed during the anodic potential scan at potentials of 0.45 V. Higher anodic peak currents (Ipa) were observed at Fe3O4/GO/GCE modified electrode than at bare GCE. The electrochemical determination by differential pulse voltammetry (DPV) revealed a linear response in the concentration range of 1.0x10-7 to 5.0x10-5 M, with a detection limit of 9.0x10-8 M. The proposed method was successfully applied using water samples, with good recoveries.
引用
收藏
页码：1205 / 1214
页数：11
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