NDLI: Multiresidue Method for the Determination of Pesticides in Fruits and Vegetables Using Gas Chromatography-Negative Chemical Ionization-Triple Quadrupole Tandem Mass Spectrometry

Content Provider	Springer Nature Link
Author	Dong, Jing Pan, Yu Xiang Lv, Jian Xia Sun, Jun Gong, Xiao Ming li, Kai
Copyright Year	2011
Abstract	The feasibility of gas chromatography-negative chemical ionization-triple quadrupole tandem mass spectrometry (GC-NCI-MS-MS), as a routine multiresidue method for simultaneous analysis of 82 pesticides in fruits and vegetables, was investigated. The precursor ions, product ions and collision energy were selected using experiments, and 164 different multiple reaction monitoring (MRM) transitions were monitored simultaneously in one run. Prior to GC-NCI-MS-MS analysis, co-extractives were removed from the concentrated acetonitrile extracts by using dispersive solid phase extraction with octadecyl (350 mg) and primary secondary amine (100 mg) sorbents. Large volume injection (10 µL) combined with a temperature-programmed vaporizer (PTV) system of gas chromatography was used to improve the sensitivity of analytes. To evaluate performance of this method, validation experiments were carried out on cabbage and apples at two spiking levels (10 and 20 μg kg−1). The average recoveries ranged between 58.7 and 124.4% with intra-day relative standard deviations (RSD) between 3.9 and 15.9%. The limits of detection (LOD), limits of confirmation (LOC) and limits of quantification (LOQ) of all pesticides were below its maximum residue levels (MRLs). The proposed method was successfully applied in the analysis of fruits and vegetables.
Starting Page	109
Ending Page	119
Page Count	11
File Format	PDF
ISSN	00095893
Journal	Chromatographia
Volume Number	74
Issue Number	1-2
e-ISSN	16121112
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-05-28
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Gas chromatography Triple quadrupole tandem mass spectrometry Negative chemical ionization Pesticides Biochemistry Organic Chemistry Analytical Chemistry Plant Sciences Proteomics Pharmacy
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Analytical Chemistry Biochemistry Clinical Biochemistry

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