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ISO 18447:2021

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

Üldinfo
Kehtiv alates 10.06.2021
Tegevusala (ICS grupid)
67.140.10 Tee
Direktiivid või määrused
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Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
10.06.2021
Põhitekst
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.
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