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Issue 26, 2016
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Magnetic dispersive solid-phase extraction based on a novel adsorbent for the detection of triazole pesticide residues in honey by HPLC-MS/MS

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Abstract

A novel Fe3O4@MDN magnetic nanomaterial was successfully developed as a magnetic dispersive solid-phase extraction adsorbent for the determination of triazole pesticide residuals in honey samples by high performance liquid chromatography coupled with triple quadrupole mass spectrometry (HPLC-MS/MS). The macromolecular structure named MDN was coated on the surface of a copolymer synthesized with silyl reagents methacrylic acid-3-(trimethoxysilyl) propyl ester (MPS) and tetraethyl orthosilicate (TEOS) based on ferriferrous oxide (Fe3O4), whose characteristics were confirmed by a scanning electron microscope (SEM). The proposed magnetic dispersive solid-phase extraction (MDSPE) method provided a rapid, environmentally friendly and magnetic stuff recyclable approach for the triazole pesticide analysis. By means of optimal conditions, the recoveries of 15 triazoles (spiked at 20 μg kg−1) ranged from 90.5 to 105.9%. The method showed good linearity, sensitivity in the range of μg per kilogram and repeatability (relative standard deviation below 6.8%, n = 5). The proposed method was confirmed to be a simple, rapid and efficient method for the analysis of triazole pesticide residuals in honey samples.

Graphical abstract: Magnetic dispersive solid-phase extraction based on a novel adsorbent for the detection of triazole pesticide residues in honey by HPLC-MS/MS

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Supplementary files

Article information


Submitted
06 Feb 2016
Accepted
02 Jun 2016
First published
03 Jun 2016

Anal. Methods, 2016,8, 5296-5303
Article type
Paper

Magnetic dispersive solid-phase extraction based on a novel adsorbent for the detection of triazole pesticide residues in honey by HPLC-MS/MS

Q. Miao, J. Wang, J. Nie, H. Wu, Y. Liu, Z. Li and M. Qian, Anal. Methods, 2016, 8, 5296
DOI: 10.1039/C6AY00376A

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