Determination of Organophosphorus Pesticides in Porcine Hair by a QuEChERS Ultra-High Performance Liquid Chromatography-Tandem Mass Spectrometry Protocol
文献类型： 外文期刊
作者： Fei, Dan 1 ; Wang, Mengzhi 2 ; Hou, Yujie 3 ; Xie, Min 1 ; Zhou, Yaomin 1 ; Zhao, Youhua 4 ; Wu, Lei 1 ; Xu, Jun 1 ;
作者机构： 1.Jiangxi Acad Agr Sci, Inst Qual & Safety & Stand Agr Prod Res, Nanchang, Jiangxi, Peoples R China
2.Yangzhou Univ, Coll Anim Sci & Technol, Yangzhou, Jiangsu, Peoples R China
3.Nanchang Acad Agr Sci, Nanchang, Jiangxi, Peoples R China
4.Lifeng Anim Husb, Shanggao, Jiangxi, Peoples R China
关键词： Organophosphorus pesticides; porcine hair; QuEChERS; ultra-high performance liquid chromatography-tandem mass spectrometry; multiple reaction monitoring
期刊名称：ANALYTICAL LETTERS （ 影响因子：2.267； 五年影响因子：1.823 ）
ISSN： 0003-2719
年卷期： 2022 年 55 卷 10 期
页码：
收录情况： SCI
摘要： The indiscriminate use of organophosphorus pesticides poses a great threat to human health because of harmful substance bioaccumulation. We developed a rapid and reliable method for the simultaneous determination of chlorpyrifos, isocarbophos, methamidophos, omethoate, and triazophos in procine hair. The targets were separated by a C-18 column (2.1 x 100 mm, 1.8 mu m) and analyzed by electrospray ionization using the positive mode of a triple quadrupole mass spectrometer. The analytes had linear relationships from 1.0 to 100 mu g/kg. The correlation coefficients were all greater than 0.998. The limits of detection ranged from 0.4 to 0.9 mu g/kg, and the limits of quantification from 1.2 to 2.0 mu g/kg. The recoveries were from 76.1% to 106.2%. The intra-assay and inter-assay precision rates were from 1.6% to 4.4% and 2.3% to 6.9%, respectively. The intra-day and inter-day accuracy ranged from 2.5% to 9.3% and 3.2% to 8.9%, respectively. This method was a valid tool to monitor organophosphorus pesticides in breeding and livestock products.
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