T/YNZJ 013.2-2026 Active Group standards

T/YNZJ 013.2-2026 Determination of Residues of 14 Pesticides and Their Metabolites in Tea and Its Derivatives and Alternative Teas by Gas Chromatography-Mass Spectrometry

Publish Date: 2026-01-09 Implement Date: 2026-01-09 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/YNZJ 013.2-2026

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Technical management

ICS Name: Tea

Publish Date: 2026-01-09

Implement Date: 2026-01-09

Scope

This standard specifies the determination of the residues of 14 pesticides and their metabolites in tea and its products, as well as in substitute teas, using gas chromatography-mass spectrometry. It is applicable to the determination of the residues of clopyralid, fluazifop-butyl, hexythiazox, indoxacarb, indoxacarb ester, lambda-cyhalothrin, methomyl, propiconazole, pyridaben, pyrothioxan, metazachlor, sulfoxaflor, and thiodan in fresh tea leaves, tea, tea-containing products, and substitute teas. Other matrices can be referenced for implementation. The quantification limit of the standard is 0.01mg/kg. The standard specifies the requirements for reagents, consumables, equipment, and data processing, as well as the main technical content such as sample pretreatment processes and instrumental analysis conditions, ensuring the scientificity, standardization, and operability of the method.