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Electroanalytical Study of Fungicide Bixafen on Paste Electrode Based on the Thermally Reduced Graphene Oxide Synthesized in Air Conditions and its Determination in River Water Samples
Authors:Mariola Brycht  Karolina Kowalewska  Sławomira Skrzypek  Valentin Mirčeski
Institution:1. University of Lodz, Faculty of Chemistry, Department of Inorganic and Analytical Chemistry, Tamka 12, 91-403 Lodz, Poland;2. University of Lodz, Faculty of Chemistry, Department of Inorganic and Analytical Chemistry, Tamka 12, 91-403 Lodz, Poland

Ss. Cyril and Methodius University in Skopje, Faculty of Natural Sciences and Mathematics, Institute of Chemistry, Arhimedova 5, P.O. Box 162, 1001 Skopje, RN Macedonia

Macedonian Academy of Sciences and Arts, Research Center for Environment and Materials, Boulevard Krste Misirkov 2, 1000 Skopje, RN Macedonia

Abstract:An electrochemical study of the fungicide bixafen using a paste electrode based on thermally reduced graphene oxide (TRGOPE) synthesized in air is presented for the first time. Cyclic voltammetry and square-wave voltammetry (SWV) were conducted to characterize the mechanism of the underlying electrode process of bixafen. Optimization of the procedure for the quantitative determination of bixafen was carried out by SWV. Excellent electroanalytical performance in terms of a limit of detection of 31.5 nmol L−1 was achieved. The TRGOPE was effectively employed to analyze bixafen in spiked river and tap water samples. The selectivity towards bixafen determination was also assessed.
Keywords:bixafen  paste electrode  pesticide  reduced graphene oxide  voltammetry
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