T/YNZJ 013.6-2026 Active Group standards

T/YNZJ 013.6-2026 Determination of Residual Levels of Lorsban in Tea and Its Derivatives and Alternative Teas by Liquid 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 013.6-2026

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 residual amount of lethal mites in tea and its products and substitute teas by liquid chromatography-mass spectrometry. It is applicable to the determination of the residual amount of lethal mites in fresh tea leaves, tea leaves, tea-containing products, and substitute teas. Other matrices can be referred to for implementation. The quantitative limit of the standard is 0.01mg/kg. The standard stipulates the requirements for reagents, consumables, equipment, and data processing, and specifies the main technical contents such as the sample pretreatment process and instrument analysis conditions, ensuring the scientificity, standardization, and operability of the method.