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Comparison of Sin-QuEChERS Nano and d-SPE Methods for Pesticide Multi-Residues in Lettuce and Chinese Chives

文献类型： 外文期刊

作者： Li, Yanjie 1 ; An, Quanshun 2 ; Zhang, Changpeng 1 ; Pan, Canping 2 ; Zhang, Zhiheng 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Qual & Standard Agroprod, Hangzhou 310021, Peoples R China

2.China Agr Univ, Coll Sci, Dept Appl Chem, Beijing 100193, Peoples R China

关键词： Sin-QuEChERS nano; d-SPE; matrix effect; pesticide residue

期刊名称：MOLECULES （ 影响因子：4.411； 五年影响因子：4.587 ）

ISSN：

年卷期： 2020 年 25 卷 15 期

页码：

收录情况： SCI

摘要： In this study, a new rapid cleanup method was developed for the analysis of 111 pesticide multi-residues in lettuce and Chinese chives by GC-MS/MS and LC-MS/MS. QuEChERS (quick, easy, cheap, effective, rugged and safe)-based sample extraction was used to obtain the extracts, and the cleanup procedure was carried out using a Sin-QuEChERS nano cartridge. Comparison of the cleanup effects, limits of quantification and limits of detection, recoveries, precision and matrix effects (MEs) between the Sin-QuEChERS nano method and the classical dispersive solid phase extraction (d-SPE) method were performed. When spiked at 10 and 100 mu g/kg, the number of pesticides with recoveries between 90% to 110% and relative standard deviations < 15% were greater when using the Sin-QuEChERS nano method. The MEs of Sin-QuEChERS nano and d-SPE methods ranged between 0.72 to 3.41 and 0.63 to 3.56, respectively. The results verified that the Sin-QuEChERS nano method was significantly more effective at removing pigments and more convenient than the d-SPE method. The developed method with the Sin-QuEChERS nano cleanup procedure was applied successfully to determine pesticide residues in market samples.

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