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prSSH ISO 18447:2021

Çaj -Përcaktimi i theaflavinave në çajin e zi - Metoda e përdorimit të kromatografisë lëng-lëng me performancë të lartë

Tea — Determination of theaflavins in black tea — Method using high performance liquid chromatography

General information

40.20     9 maj 2024

40.60    10 maj 2024

DPS

DPS/KT 360

International Standard

67.140.10  

Scope

This document specifies a high performance liquid chromatography (HPLC) or ultra-high performance liquid chromatography (UHPLC) method for the determination of content of the four major theaflavins of tea.
It is applicable to both leaf and instant black and oolong teas. The method is currently not validated for ready-to-drink (RTD) beverages.

Life cycle

NOW

IN_DEVELOPMENT
prSSH ISO 18447:2021
40.20 DIS ballot initiated: 12 weeks
9 maj 2024

Related project

Adopted from ISO 18447:2021

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