Pesticide residue parameter 222646 detection

This standard specifies a gas chromatography-mass spectrometry method for the determination of 208 pesticides and their metabolites (see Appendix A) residues in plant-based foods. This standard is applicable to the determination of 208 pesticides and their metabolites residues in plant-based foods. The following normative references are essential for the application of this document. For dated application documents, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB 2763 National Standard for Food Safety Maximum Residue Limits of Pesticides in Food GB/T 6682 Specification and Test Methods for Water for Analytical Laboratory 3 Principle samples are extracted with acetonitrile, the extract solution is purified by solid phase extraction or dispersed solid phase extraction, the vegetable oil sample is purified by gel permeation chromatography, detected by gas chromatography-mass spectrometry, and quantified by internal standard method or external standard method

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