Determination of 4 Pesticides Residues in Citrus and Essential Oil by Ultra Performance Liquid Chromatography-Mass Spectrometry

文献类型： 外文期刊

第一作者： Kong Zhi-Qiang

作者： Kong Zhi-Qiang;Dong Feng-Shou;Liu Xin-Gang;Xu Jun;Zheng Yong-Quan;Gong Yong;Shan Wei-Li

作者机构：

关键词： Ultra performance liquid chromatography-mass spectrometry-mass spectrometry;QuEChERS;Pesticide residue;Citrus essential oil

期刊名称：CHINESE JOURNAL OF ANALYTICAL CHEMISTRY （ 影响因子：1.134； 五年影响因子：0.909 ）

ISSN： 0253-3820

年卷期： 2012 年 40 卷 3 期

页码：

收录情况： SCI

摘要： A simple and rapid method was developed for the simultaneous determination of 4 residues, imidacloprid, carbendazim, prochloraz and beta-cypermethrin, in citrus fruit and citrus essential oil. The residues were extracted from samples with acetonitrile and cleaned up with dispersive method on primary secondary amine, then detected by ultra liquid chromatography-mass spectrometry under multiple reaction monitoring mode, and quantified by matrix-match standard solution. Average fortified recoveries in samples were found in the range of 72.6%-113.3% at three fortified levels from 0.01 to 1 mg/kg, with relative standard deviations of 0.9%-19.6% (n=5). The limits of detection (LOD) of these four pesticides were in the range of 0.02-0.6 mu g/kg, while limits of quantification (LOQ) were in the range of 0.06-2 mu g/kg.

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