Determination of 46 Pesticide Residues in Sulfur-containing Vegetables Using Solid-phase Extraction and Gas Chromatography-Triple Quadrupole Mass Spectrometry
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Determination of 46 Pesticide Residues in Sulfur-containing Vegetables Using Solid-phase Extraction and Gas Chromatography-Triple Quadrupole Mass Spectrometry
Vol. 34, Issue 4, Pages: 421-427(2015)
作者机构:
1. 中国热带农业科学院分析测试中心
2. 黑龙江省农产品质量检验检测中心
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Determination of 46 Pesticide Residues in Sulfur-containing Vegetables Using Solid-phase Extraction and Gas Chromatography-Triple Quadrupole Mass Spectrometry. [J]. 34(4):421-427(2015)
DOI:
Determination of 46 Pesticide Residues in Sulfur-containing Vegetables Using Solid-phase Extraction and Gas Chromatography-Triple Quadrupole Mass Spectrometry. [J]. 34(4):421-427(2015)DOI:
Determination of 46 Pesticide Residues in Sulfur-containing Vegetables Using Solid-phase Extraction and Gas Chromatography-Triple Quadrupole Mass Spectrometry
A method was developed for the determination of 46 pesticides in sulfur-containing vegetables(e.g.scallion,ginger,Chinese chives and garlic) using solid-phase extraction(SPE) and gas chromatography-triple quadrupole mass spectrometry(GC-MS/MS).The extraction solvent,solid-phase extraction column and elution solution were optimized.The pesticides were extracted with acetonitrile containing 1% acetic acid,and then cleaned up on a Carbon/NH2 SPE column.The extracts were determined by GC-MS/MS under multiple reaction monitoring(MRM) mode with the external standard method.The calibration curves of 46 pecitides were linear in the range of 0.05-1.00 mg/L with limits of detection(LOD) of 0.001-0.003 mg/kg.The recoveries of all pesticides at the spiked levels of 0.01,0.05,0.10 mg/kg in matrices were in the range of 60%-125%,with relative standard deviations(RSDs) not more than 17.3%.The method covers many kinds of pesticides(e.g.organophosphates,organochlorines and pyrethroids),with high sensitivity but low background.Therefore,it is suitable for the analysis of pesticide residues in sulfur-containing vegetables.
关键词
气相色谱-串联质谱固相萃取含硫蔬菜农药
Keywords
gas chromatography-triple quadrupole mass spectrometry(GC-MS/MS)solid-phase extraction(SPE)sulfur containing vegetablespesticides
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Related Institution
Key Laboratory of Milk and Dairy Products Detection and Monitoring Technology for State Market Regulation,Shanghai Institute of Quality Inspection and Technical Research
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