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Determination of 8 pesticide residues in edible vegetable oil by gas chromatography-tandem mass spectrometry combined with dispersive solid phase extraction
  
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KeyWord:dispersive solid phase extraction  GC-MS/MS  edible vegetable oil  pesticide
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Author NameAffiliation
WU Fengqi  
JIN Baohui  
WU Weidong,etc  
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Abstract:
      The?edible?vegetable?oil?was?extracted?by?acetonitrile,?and?then?cleaned?up?by?modified?dispersive?solid?phase?extraction,?after?that?8?species?of?unauthorized?pesticides?were?analyzed?by?gas?chromatography-tandem?mass?spectrometry?(GC-MS/MS)?under?selective?reaction?monitor?mode.?The?results?showed?that?the?correlation?coefficients?of?8?species?of?unauthorized?pesticides?analyzed?by?the?established?method?were?above?0.99.?The?limits?of?quantification?were?10?μg/kg?and?the?average?recoveries?were?in?the?range?of?81.3%-100.7%?with?relative?standard?deviations?(RSD)?below?10.2%.
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