FZ/T 52064-2023
GB/T 8313-2018
Determination of total polyphenols and catechins content in tea
GB/T 21727-2008
Instant tea in solid form - Determination of catechins content
GB/T 8313-2008
Determination of total polyphenols and catechins content in tea
\u0413\u041e\u0421\u0422 ISO 14502-2-2015
Tea. Determination of catechins
QB/T 5602-2021
Oral care and cleansing products - Determination of epigallocatechin gallate in toothpastes - IDgh performance liquid chromatography
20221240-T-469
Man-made fiber—Determination of catechins content—High performance liquid chromatography
DB51/T 896-2009
T/TGIC 007-2024
T/HNTI 055-2023
BS ISO 14502-2:2005
Determination of substances characteristic of green and black tea-Content of catechins in green tea. Method using high-performance liquid chromatography
DIN ISO 14502-2
Determination of substances characteristic of green and black tea - Part 2: Content of catechins in green tea - Method using high-performance liquid chromatography (ISO 14502-2:2005 + Corrigendum 1:2006)
ISO 14502-2:2005
Determination of substances characteristic of green and black tea — Part 2: Content of catechins in green tea — Method using high-performance liquid chromatography