Electrodeposition of silver onto carbon graphite and their catalysis properties toward thiamethoxam reduction: application in food and beverage samples

被引：13

作者：

Ajermoun, N. ^{[1
]}

Lahrich, S. ^{[1
]}

Farahi, A. ^{[1
]}

Bakasse, M. ^{[2
]}

Saqrane, S. ^{[1
]}

El Mhammedi, M. A. ^{[1
]}

机构：

[1] Sultan Moulay Slimane Univ, Polydisciplinary Fac, Lab Chem Modeling & Environm Sci, Khouribga, Morocco

[2] Chouaib Doukkali Univ, Fac Sci, Organ Micropollutants Anal Team, El Jadida, Morocco

来源：

HELIYON | 2020年 / 6卷 / 12期

关键词：

Thiamethoxam; Silver particles; Electrodeposition; Graphite carbon electrode; ELECTRON-TRANSFER KINETICS; VOLTAMMETRIC DETERMINATION; AQUEOUS-MEDIUM; ELECTROCHEMICAL DETERMINATION; AROMATIC NITROCOMPOUNDS; CYCLIC VOLTAMMETRY; PASTE ELECTRODE; NITRO-COMPOUNDS; FILM ELECTRODE; URIC-ACID;

D O I：

10.1016/j.heliyon.2020.e05784

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

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.

引用

页数：11

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