Journal
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART B-PESTICIDES FOOD CONTAMINANTS AND AGRICULTURAL WASTES
Volume 45, Issue 2, Pages 152-161Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/03601230903472165
Keywords
Drainage water; suspended particle matter; soil; solid phase extraction; QuEChERS
Funding
- National Natural Science Foundation of China [NSFC40771180, 40688001, 40821003]
- International Atomic Energy Agency (IAEA)
- IAEA/Food and Agriculture Organization (FAO)
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An efficient and sensitive method for simultaneous determination of 38 pesticides in agricultural drainage waters and soils has been developed and validated. Water samples were extracted using solid-phase extraction with C18 cartridges while solid samples (suspended particle matter and soil) were extracted by using the quick, easy, cheap, effective, rugged and safe (QuEChERS) extraction method. The target pesticides were analyzed by using gas chromatography-mass spectrometry with electron impact ionization. The proposed method allowed a simultaneous determination and confirmation of a large number of pesticides in agricultural drainage waters, suspended particle matters and soils/sediments with a good reproducibility and low detection limits. The developed method was applied to a survey of pesticides in a vegetable growing area of Guangzhou, China. The pesticides commonly found in the area were butachlor, carbofuran, dichlorvos, fipronil, isocarbophos and pyridaben.
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