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Rapid determination of pesticide residues in Chinese materia medica using QuEChERS sample preparation followed by gas chromatography–mass spectrometry

✍ Scribed by Yichen Hu; Li Wan; Jinming Zhang; Fang Yang; Jiliang Cao


Book ID
116243455
Publisher
Elsevier
Year
2012
Tongue
English
Weight
582 KB
Volume
2
Category
Article
ISSN
2211-3835

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## Abstract An efficient and sensitive method for simultaneous determination of 118 pesticide residues in teas has been established and validated. A multi-residue analysis of pesticides in tea involved extraction with ethyl acetate-hexane, clean-up using gel permeation chromatography (GPC) and soli