This standard specifies the liquid chromatography-mass spectrometry method for the determination of 448 pesticides and related chemicals in green tea, black tea, Puer tea, and oolong tea (see Appendix A). This standard is applicable to the qualitative identification of 448 kinds of pesticides and related chemical residues in green tea, black tea, Puer tea and oolong tea, as well as the quantitative determination of 418 kinds of pesticides and related chemical residues. Other items can be implemented by reference.
GB 23200.13-2016 Referenced Document
GB 2763 National Food Safety Standard Maximum Residue Limits of Pesticides in Food*, 2021-03-03 Update
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB 23200.13-2016 history
2018GB 23200.113-2018 National food safety standard—— Determination of 208 pesticides and metabolites residues in foods of plant origin Gas chromatography-tandem mass spectrometry method
2016GB 23200.13-2016 National Food Safety Standards— Determination of 448 pesticides residues in tea Liquid chromatography - mass spectrometry