GB/T 8313-2018: Determination of total polyphenols and catechins content in tea

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Scope

This standard specifies a method for the determination of catechins in tea, by
high-performance liquid chromatography (HPLC), AND the method for the
determination of polyphenols in tea, by spectrophotometry.
This standard applies to the determination of catechins and polyphenols, in tea
and tea products.

Basic Data

Standard ID	GB/T 8313-2018 (GB/T8313-2018)
Description (Translated English)	Determination of total polyphenols and catechins content in tea
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	X55
Classification of International Standard	67.140.10
Word Count Estimation	10,110
Date of Issue	2018-07-13
Date of Implementation	2018-11-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration