Magnetic solid-phase extraction of pyrethroid pesticides in environmental water samples with CoFe2 O4 -embedded porous graphitic carbon nanocomposites

Journal of Separation Science
Kaixuan MaJing Yang

Abstract

Magnetic CoFe2 O4 -embedded porous graphitic carbon nanocomposites were prepared through a facile solid-phase thermal reaction with NaCl as a template. The material was applied in the magnetic solid-phase extraction process coupled with high performance liquid chromatography with a diode array detector to detect the trace fenpropathrin, cyhalothrin, S-fenvalerate, and bifenthrin in different water samples. The synthesis conditions of nanomaterial including glucose concentration and calcination time on extraction performance for pyrethroid pesticides have been investigated. Different magnetic solid-phase extraction parameters have been studied, such as the nanomaterial amount, solution pH, eluent types, adsorption time, and the reusability. Under the optimum conditions, good recoveries (80.2-110.9%) were achieved with relative standard deviations of 0.2-5.8%. There are probably hydrophobic interactions and dipole-dipole attractions between nanocomposites and the analytes.

References

Aug 5, 2011·Journal of Hazardous Materials·Zhengyong Zhang, Jilie Kong
Oct 29, 2015·Environmental Toxicology and Pharmacology·Frank B Antwi, Gadi V P Reddy
Sep 22, 2016·Parasitology Research·Mengmeng TianChangliang Zhu
Feb 9, 2017·Tropical Medicine & International Health : TM & IH·Anitha PhilbertGamba Nkwengulila
Apr 1, 2018·Journal of Separation Science·Marta Pastor-BeldaManuel Hernández-Córdoba

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Citations

Feb 9, 2019·Journal of Separation Science·Tiefeng WangYi Yang
Jul 14, 2020·Environmental Science and Pollution Research International·Monika JainMika Sillanpää

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