Rapid Screening and Confirmation of 222 Pesticide Residues in Agricultural Products by Gas Chromatography-Electrostatic Field Orbitrap High Resolution Mass Spectrometry
Scientific Papers|更新时间:2023-01-04
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Rapid Screening and Confirmation of 222 Pesticide Residues in Agricultural Products by Gas Chromatography-Electrostatic Field Orbitrap High Resolution Mass Spectrometry
Journal of Instrumental AnalysisVol. 41, Issue 2, Pages: 172-186(2022)
YIN Xue-yan,ZHU Jia-ming,DU Yan-yu,et al.Rapid Screening and Confirmation of 222 Pesticide Residues in Agricultural Products by Gas Chromatography-Electrostatic Field Orbitrap High Resolution Mass Spectrometry[J].Journal of Instrumental Analysis,2022,41(02):172-186.
YIN Xue-yan,ZHU Jia-ming,DU Yan-yu,et al.Rapid Screening and Confirmation of 222 Pesticide Residues in Agricultural Products by Gas Chromatography-Electrostatic Field Orbitrap High Resolution Mass Spectrometry[J].Journal of Instrumental Analysis,2022,41(02):172-186. DOI: 10.19969/j.fxcsxb.21052101.
Rapid Screening and Confirmation of 222 Pesticide Residues in Agricultural Products by Gas Chromatography-Electrostatic Field Orbitrap High Resolution Mass Spectrometry
A gas chromatography-electrostatic field orbitrap high resolution mass spectrometry(GC-Orbitrap MS) was developed for the rapid screening and confirmation of 222 kinds of pesticide residues in agricultural products,based on QuEChERS method. The samples were preprocessed with an integrated solid phase dispersion extraction sample processing machine(Sio-dSPE). Experimental conditions including types of salting-out agent and water removal agent,type of cleaning agent and its amount,matrix effect were investigated and optimized in detail. Under the optimized conditions,the linear ranges of 222 pesticides were in the range of 1-200 μg/L,the average recoveries for 222 pesticide residues in lettuce,rice and tea samples at three spiked levels of 10,20 and 50 μg/kg were in the ranges of 70.5%-121%,70.2%-119% and 65.2%-125%,with their relative standard deviations(RSDs) not more than 11%,10% and 12%,respectively. The limits of quantitation(LOQs) of this method for lettuce,rice and tea were 0.5-5 μg/kg,1-10 μg/kg and 2.5-25 μg/kg,respectively. With the advantages of simplicity,easy pretreatment and high purifying efficiency,the method was suitable for the fast screening and confirmation of pesticide residues in agricultural products.
gas chromatography-electrostatic field orbitrap high resolution mass spectrometry (GC-Orbitrap MS)solid phase dispersion extraction sample processing machine(Sio-dSPE)rapid screening and confirmationmulti-pesticide residuesagricultural product
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