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See Chinese contents: GB 5009.253-2016 GB 5009.253-2016: National Food Safety Standard -- Determination of Perfluorooctane Sulfonate (PFOS) and Perfluorooctanoic Acid (PFOA) in Animal-derived Food
This Standard specifies the method of isotope dilution liquid chromatography-tandem mass spectrometry in the determination of PFOS and PFOA in animal-derived food. This Standard shall be applicable to the determination of PFOS and PFOA in animal-derived food. Adopt acetonitrile to extract PFOS and PFOA from the sample. Start dispersive solid phase extraction and purification; adopt liquid chromatography-tandem mass spectrometer to determine PFOS and PFOA. Adopt the internal standard method to quantify the content.
