GB/T 45884-2025 Active National standards

GB/T 45884-2025 White tea origin discrimination—Near infrared spectral method

Publish Date: 2025-06-30 Implement Date: 2025-10-01 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: GB/T 45884-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Tea products

ICS Name: Tea

Publish Date: 2025-06-30

Implement Date: 2025-10-01

Pages: 12 pages

Scope

This document defines the terms and definitions for the application of near-infrared spectroscopy in determining the origin of white tea, and describes the method of using near-infrared spectroscopy to determine the origin of white tea, including the principles, instrumentation, establishment and validation of near-infrared spectroscopy models, origin determination, model update and maintenance, and determination accuracy.
This document is applicable to the determination of the origin of loose white tea products from a single origin, uniform varieties, and the same category, and the determination date is not more than three years from the production date.