T/FQIA 018-2024 Determination of Glufosinate ammonium and Glyphosate Residues in Tea Fresh Leaves- Liquid Chromatography-tandem Mass Spectrometry Method (English Version)
Group Standards of the People's Republic of China CN / TUANTI
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T/FQIA 018-2024
Scope
This document stipulates the determination method for residues of glufosinate ammonium, glyphosate, and N-methylphosphonic acid in fresh tea leaves using liquid chromatography-tandem mass spectrometry. This document applies to the determination of residue levels of glufosinate ammonium, glyphosate, and N-methylphosphonic acid in fresh tea leaves.
Main technical content outline
Foreword
1 Scope
2 Normative referenced documents
3 Terms and definitions
4 Principle
5 Reagents and materials
5.1 Reagents
5.2 Solution preparation
5.3 Standards
5.4 Standard solution preparation
5.5 Materials
6 Instruments and equipment
7 Preparation and storage of samples
8 Analytical procedures
8.1 Pre-treatment
8.2 Determination
8.3 Replicate experiments
8.4 Blank experiment
9 Calculation and expression of results
10 Sensitivity, accuracy, and precision
10.1 Sensitivity
10.2 Accuracy
10.3 Precision
Appendix A (informative) Glufosinate ammonium, glufosinate, N-methylphosphonic acid derivatives: English-Chinese name对照索引
Appendix B (informative) Retention times, parent ions, daughter ions, and mass spectrometry parameters of glufosinate ammonium, glufosinate, and N-methylphosphonic acid derivatives
Appendix C (informative) Multiple reaction monitoring (MRM) chromatograms of glufosinate ammonium, glufosinate, and N-methylphosphonic acid derivatives
T/FQIA 018-2024 history
2024T/FQIA 018-2024 Determination of Glufosinate ammonium and Glyphosate Residues in Tea Fresh Leaves- Liquid Chromatography-tandem Mass Spectrometry Method