T/FQIA 015-2024 Tea fresh leaves: Rapid detection of Trihalomethanes using colloidal gold immunosorbent assay

Scope

Scope: This document specifies the principles of the colloidal gold immunoassay method for the rapid detection of dicofol in tea fresh leaves, as well as the reagents and materials, instruments and equipment, analysis steps, result determination, and requirements for detection indicators. This document is applicable to the rapid qualitative detection of dicofol pesticide residues in tea fresh leaves. Main technical content: This document specifies the principles of the colloidal gold immunoassay method for the rapid detection of dicofol in tea fresh leaves, as well as the reagents and materials, instruments and equipment, analysis steps, result determination, and requirements for detection indicators. This document is applicable to the rapid qualitative detection of dicofol pesticide residues in tea fresh leaves. Main technical content: - Preface - I1 Scope - 2 Normative references - 3 Terms and definitions - 4 Principles - 5 Reagents and materials 5.1 Reagents 5.2 Standards 5.3 Preparation of standard solutions 5.4 Materials - 6 Instruments and equipment - 7 Analysis steps 7.1 Sample preparation 7.2 Sample testing 7.3 Quality control tests - 8 Result determination 8.1 General requirements 8.2 Quality control test requirements - 9 Method detection indicators Appendix A (Normative) Qualitative method performance indicator calculation table

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