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| 分散固相萃取-气相色谱串联质谱法同时测定食用植物油中的8种农药 |
| 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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| DOI： |
| 中文关键词: 分散固相萃取 气相色谱串联质谱 食用植物油 农药 |
| 英文关键词:dispersive solid phase extraction GC-MS/MS edible vegetable oil pesticide |
| 基金项目: |
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| 中文摘要: |
| 食用植物油经乙腈提取后，经改进的分散固相萃取（QuEChERS）净化，采用气相色谱串联质谱（GC-MS/MS），在选择反应监测离子（SRM）模式下，进行质谱定性，外标法定量，建立了食用植物油中8种禁用农药残留的快速定量分析方法。结果表明，8种农药的回归方程相关系数均大于?0.99，定量限为10?μg/kg，平均回收率为81.3%~100.7%，相对标准偏差小于等于10.2%。 |
| 英文摘要: |
| 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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