Determination of Eleven Perfluorinated Compounds in Meat by Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry
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Determination of Eleven Perfluorinated Compounds in Meat by Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry
Vol. 32, Issue 7, Pages: 862-866(2013)
作者机构:
1. .广州市疾病预防控制中心
2. 广州市质量监督检测研究院
3. 中国广州分析测试中心
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Determination of Eleven Perfluorinated Compounds in Meat by Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry. [J]. 32(7):862-866(2013)
DOI:
Determination of Eleven Perfluorinated Compounds in Meat by Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry. [J]. 32(7):862-866(2013)DOI:
Determination of Eleven Perfluorinated Compounds in Meat by Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry
A method was developed for the determination of 11 perfluorinated compounds (PFCs) (e.g.perfluorobutanesulfonate,perfluorohexane-sulfonate,perfluoroheptanoic-acid,perfluorooctanoate,perfluorooctane-sulfonate,perfluorononanoic-acid,perluorodecanoic-acid,perfluoroundecanoic-acid,perfluorodecanesulfonate,perfluorododecanoic-acid and perfluorotetradecanoic acid)in meat by ultra performance liquid chromatography-tandem mass spectrometry(UPLC-MS/MS) with solid phase extraction column.After added with the isotopic labeled sodium perfluoro-1-[1,2,3,4,-13C4]octanesulfonat (MPFOA) and perfluoro-n-[1,2,3,4,-13C4]octanoic acid (MPFOS),the samples were extracted and homogenized with acetonitrile,and then suction filted through glass fiber and defatted with n-hexane by liquid-liquid extraction method.The extract was purified with Waters Oasis HLB solid phase extraction column,and concentrated with N2.The perfluorinated compounds were separated with UPLC using a mixture of 2 mmol/L ammonium acetate-2 mmol/L ammonium acetate methanol solution as mobile phase,and analysed by UPLC-MS/MS ESI(-) under MRM mode with the internal standard method.The calibration curves were linear in the range of 0.50-20.0 μg/L for 11 PFCs.The limits of detection for the method (LODs) were between 0.014 μg/kg and 0.060 μg/kg,and the limits of quantitation were between 0.047 μg/kg and 0.199μg/kg.The mean recoveries were in the range of 70.9%-107.1%,with relative standard deviations (RSDs,n=6) of 0.4% -11.4%.This method was suitable for the identification and quantification of 11 perfluorinated compounds in meat due to its simplicity,accuracy and high sensitivity.
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全氟化合物肉超高效液相色谱-串联质谱法固相萃取
Keywords
perfluorinated compoundsmeatultra performance liquid chromatography tandem mass spectrometry(UPLC-MS/MS)solid phase extraction
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