Gas chromatography mass spectrometry in the application of the determination of forty kinds of organophosphorus pesticide residues

doi:10.14088/j.cnki.issn0439-8114.2019.23.043

Abstract

Abstract: This paper used QuEChERS method, combined with NY/T 761-2008 and GB23200.8-2016 partial pretreatment methods, to extract pesticides from samples and purify and concentrate them. Then 19 organophosphates and 21 organochlorine pesticides in various vegetables were tested by using gas chromatography—mass spectrometry methods. The results showed that the recovery rate of 40 pesticides in vegetable samples was 63.5%~116.8%, which met the requirements of pesticide residue analysis. The whole process was more efficient and simple than the original method, with less solvent use, and more in line with the requirements of modern environmental protection.

Key words: pesticide, gas chromatography—mass spectrometry;, pesticide residues

CLC Number:

WANG Xue, WANG Dun, ZHANG Shu-juan, CHU Qian-mei, ZHANG Qian, ZHU Meng-jie, HUANG Da-ming. Gas chromatography mass spectrometry in the application of the determination of forty kinds of organophosphorus pesticide residues[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(23): 171-175.

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