caa a22 4500 445803797 CHVBK 20180317145150.0 cr unu---uuuuu 170323e20110701xx s 000 0 eng 10.1007/s10337-011-2055-x doi (NATIONALLICENCE)springer-10.1007/s10337-011-2055-x Multiresidue Method for the Determination of Pesticides in Fruits and Vegetables Using Gas Chromatography-Negative Chemical Ionization-Triple Quadrupole Tandem Mass Spectrometry [Elektronische Daten] [Jing Dong, Yu-Xiang Pan, Jian-Xia Lv, Jun Sun, Xiao-Ming Gong, Kai li] 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 (350mg) and primary secondary amine (100mg) sorbents. Large volume injection (10µL) 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 20μgkg−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. Springer-Verlag, 2011 Gas chromatography nationallicence Triple quadrupole tandem mass spectrometry nationallicence Negative chemical ionization nationallicence Pesticides nationallicence Dong Jing Weifang Entry-Exit Inspection and Quarantine Bureau, 39 Siping Road Weifang, 261041, Shandong, People's Republic of China aut Pan Yu-Xiang Weifang Entry-Exit Inspection and Quarantine Bureau, 39 Siping Road Weifang, 261041, Shandong, People's Republic of China aut Lv Jian-Xia Weifang Entry-Exit Inspection and Quarantine Bureau, 39 Siping Road Weifang, 261041, Shandong, People's Republic of China aut Sun Jun Weifang Entry-Exit Inspection and Quarantine Bureau, 39 Siping Road Weifang, 261041, Shandong, People's Republic of China aut Gong Xiao-Ming Weifang Entry-Exit Inspection and Quarantine Bureau, 39 Siping Road Weifang, 261041, Shandong, People's Republic of China aut li Kai Weifang Entry-Exit Inspection and Quarantine Bureau, 39 Siping Road Weifang, 261041, Shandong, People's Republic of China aut Chromatographia Springer-Verlag 74/1-2(2011-07-01), 109-119 0009-5893 74:1-2<109 2011 74 10337 https://doi.org/10.1007/s10337-011-2055-x text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10337-011-2055-x text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Dong Jing Weifang Entry-Exit Inspection and Quarantine Bureau, 39 Siping Road Weifang, 261041, Shandong, People's Republic of China aut NATIONALLICENCE 700 1- Pan Yu-Xiang Weifang Entry-Exit Inspection and Quarantine Bureau, 39 Siping Road Weifang, 261041, Shandong, People's Republic of China aut NATIONALLICENCE 700 1- Lv Jian-Xia Weifang Entry-Exit Inspection and Quarantine Bureau, 39 Siping Road Weifang, 261041, Shandong, People's Republic of China aut NATIONALLICENCE 700 1- Sun Jun Weifang Entry-Exit Inspection and Quarantine Bureau, 39 Siping Road Weifang, 261041, Shandong, People's Republic of China aut NATIONALLICENCE 700 1- Gong Xiao-Ming Weifang Entry-Exit Inspection and Quarantine Bureau, 39 Siping Road Weifang, 261041, Shandong, People's Republic of China aut NATIONALLICENCE 700 1- li Kai Weifang Entry-Exit Inspection and Quarantine Bureau, 39 Siping Road Weifang, 261041, Shandong, People's Republic of China aut NATIONALLICENCE 773 0- Chromatographia Springer-Verlag 74/1-2(2011-07-01), 109-119 0009-5893 74:1-2<109 2011 74 10337 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer