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sklademVydáno: 2021-09-09
BS ISO 18447:2021
Tea. Determination of theaflavins in black tea. Method using high performance liquid chromatography
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| Označení normy: | BS ISO 18447:2021 |
| Počet stran: | 26 |
| Vydáno: | 2021-09-09 |
| ISBN: | 978 0 539 06022 5 |
| Status: | Standard |
DESCRIPTION
BS ISO 18447:2021
This standard BS ISO 18447:2021 Tea. Determination of theaflavins in black tea. Method using high performance liquid chromatography is classified in these ICS categories:
- 67.140.10 Tea
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.