期刊
HELIYON
卷 6, 期 12, 页码 -出版社
CELL PRESS
DOI: 10.1016/j.heliyon.2020.e05784
关键词
Thiamethoxam; Silver particles; Electrodeposition; Graphite carbon electrode
资金
- University Sultan Moulay Slimane of Beni Mellal, Morocco
The purpose of this paper is the electrodeposition of silver particles on graphite electrode (Ag@GrCE) using chronoamperometry and the use of this electrode for the determination of thiamethoxam. The electrode was prepared by chronoamperometry and characterized by X-Ray diffraction (XRD), fourier transform infrared spectroscopy (FT-IR), EDX analysis and electrochemical impedance spectroscopy. The obtained electrode exhibits excellent electrocatalytic activity toward thiamethoxam reduction. The voltammetric response was linear as function of TXM concentration with a limit of detection around to 1.92 x 10(-6) mol L-1. The proposed electrode was successfully used to analyze thiamethoxam residue in some food samples including orange and tomato juices.
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