T/FQIA 012-2024 Determination of 30 pesticide residues in tea fresh leaves by liquid chromatography-tandem mass spectrometry

Scope

Scope: This document specifies the method for determining the residues of 30 pesticides in fresh tea leaves by liquid chromatography-tandem mass spectrometry (LC-MS/MS). This document is applicable to the determination of 30 pesticide residues in fresh tea leaves. Main technical content: This document specifies the method for determining the residues of 30 pesticides in fresh tea leaves by liquid chromatography-tandem mass spectrometry (LC-MS/MS). This document is applicable to the determination of 30 pesticide residues in fresh tea leaves. The main technical content includes: - Preface - I1 Scope - II Normative references - III Terms and definitions - IV Principles - V Reagents and materials 5.1 Reagents 5.2 Solution preparation 5.3 Standard samples 5.4 Standard solution preparation 5.5 Materials - VI Instruments and equipment - VII Sample preparation and storage - VIII Analytical steps 8.1 Pre-treatment 8.2 Determination 8.3 Determination of sample solutions 8.4 Parallel tests 8.5 Blank tests - IX Calculation and presentation of results 10.1 Sensitivity 10.2 Accuracy 10.3 Precision - Appendix A (informative) Index of English and Chinese names of 30 pesticides and their metabolites - Appendix B (informative) Retention times, precursor ions, product ions, and ion pairs of 30 pesticides and their metabolites in mass spectrometry - Appendix C (informative) Multi-reaction monitoring (MRM) mass chromatograms of 30 pesticides (10.0 μg/L)

Development Information

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