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See Chinese contents: GB 5009.205-2024 GB 5009.205-2024: National food safety standards--Determination of toxic equivalents of dioxins and their analogues in food
This Standard specifies the determination method of the contents of 17 kinds of 2,3,7,8-substituted polychlorodibenzo-p-dioxin, polychlorino-dibenzofura (PCDD/Fs) and 12 kinds of dioxin-like polychlorinated biphenyl (DL-PCBs) and their toxic equivalent (TEQ) in food (see Table A.1 in Appendix A). Method I ¡°Isotope dilution - gas chromatography - magnetic high-resolution mass spectrometry¡± applies to the determination of the content of 17 kinds of PCDD/Fs and 12 kinds of DLPCBs and their TEQ in food. Method II ¡°Isotope dilution - gas chromatography - triple quadrupole mass spectrometry¡± applies to the determination of the content of 17 kinds of PCDD/Fs and 12 kinds of DL-PCBs and its TEQ in meat and meat products, aquatic animals and their products, milk and dairy products, eggs and egg products, oils, and fats. Method I ¨C Isotope dilution - gas chromatography - magnetic high-resolution mass spectrometry
