Multi-Residue Screening of Pesticides in Aquaculture Waters through Ultra-High-Performance Liquid Chromatography-Q/Orbitrap Mass Spectrometry
文献类型： 外文期刊
作者： Wang, Shou-Ying 1 ; Fodjo, Essy Kouadio 3 ; Kong, Cong 1 ; Yu, Hui-Juan 1 ;
作者机构： 1.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Minist Agr & Rural Affairs, Key Lab East China Sea Fishery Resources Exploita, Shanghai 200090, Peoples R China
2.Shanghai Ocean Univ, Coll Food Sci & Technol, Shanghai 201306, Peoples R China
3.Univ Felix Houphouet Boigny, Phys Chem Lab, 22 BP 582, Abidjan 22, Cote Ivoire
4.Acad Forens Sci, Shanghai Key Lab Forens Med, Shanghai 200063, Peoples R China
关键词： environmental monitoring; solid phase extraction; trichlorfon; chlordimeform; fipronil; dimethoate
期刊名称：WATER （ 影响因子：3.103； 五年影响因子：3.229 ）
ISSN：
年卷期： 2020 年 12 卷 5 期
页码：
收录情况： SCI
摘要： Pesticide residues in foodstuffs can lead to several undesirable effects. A simple and high-throughput targeted screening method analyzing multi-residue pesticide in aquaculture water based on ultra-high-performance liquid chromatography-Q/Orbitrap mass spectrometry (UHPLC-Q/Orbi MS) was developed and validated. In this technique, the peaks of the compound using precursor ions were recorded by the full scan, which was used for rough quantitative analysis with single point matrix matched calibration. The qualitative identification was performed following the stringent confirmation criteria with fragment ions, retention time, and an isotopic pattern. Additionally, solid-phase extraction with an HLB (Hydrophilic/Lipophilic Balanced) column was selected to enrich and separate target pesticides from water. The screening detection limit of 33 compounds are less than 2 ng.L-1, while 26 compounds range from 2 ng.L-1 to 10 ng.L-1, 19 compounds are at the range of 10-200 ng.L-1, and the other two compounds are 200 ng.L-1 and 1000 ng.L-1. Most of the recovery results were found to be between 60 similar to 130%. Finally, the method was successfully applied to the analysis of pesticide residues in 30 water samples from aquaculture environment in Shanghai, indicating its applicability in pesticide screening for environmental monitoring.
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