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Issue 7, 2015
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Microwave-assisted synthesis of poly(ionic liquid)-coated magnetic nanoparticles for the extraction of sulfonylurea herbicides from soil for HPLC

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Abstract

Poly(ionic liquid) (PIL) was synthesized and immobilized onto prepared silica-coated magnetic nanoparticles, which was used as a magnetic solid-phase (MSPE) sorbent and applied to the extraction of sulfonylurea herbicides (SUHs) in soil samples prior to high-performance liquid chromatography analysis. The type and volume of desorption solvent and quantity of the sorbent were optimized for the extraction process. Under the optimized conditions, the matrix matched calibration curves were linear (R2 > 0.999) for sulfonylurea herbicide concentrations in the range of 10–1500 ng mL−1. The relative standard deviation range for repeated determination of the analytes was 3.2–4.5%. The ranges for the limits of detection and quantification were 1.62–2.94 and 5.4–9.8 ng mL−1, respectively. These results demonstrate that the Fe3O4@SiO2@PIL provides efficient extraction of sulfonylurea herbicides from soil samples.

Graphical abstract: Microwave-assisted synthesis of poly(ionic liquid)-coated magnetic nanoparticles for the extraction of sulfonylurea herbicides from soil for HPLC

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Supplementary files

Article information


Submitted
28 Nov 2014
Accepted
03 Mar 2015
First published
03 Mar 2015

Anal. Methods, 2015,7, 3246-3252
Article type
Paper
Author version available

Microwave-assisted synthesis of poly(ionic liquid)-coated magnetic nanoparticles for the extraction of sulfonylurea herbicides from soil for HPLC

L. Yang, P. Su, X. Chen, R. Zhang and Y. Yang, Anal. Methods, 2015, 7, 3246
DOI: 10.1039/C4AY02830A

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