ISO 14502:2005
ISO 14502:2005 Determination of substances characteristic of green and black tea – Part 2: Content of catechins in green tea – Method using high-performance liquid chromatography
CDN $263.00
Description
ISO 14502-2:2005 specifies a high-performance liquid chromatographic (HPLC) method for the determination of the total catechin content of tea from the summation of the individual catechins. It is applicable to both leaf and instant green tea, and with precision limitations to black tea.
Gallic acid and caffeine can also be determined by this method, as can theogallin and theaflavins.
Edition
1
Published Date
2005-03-16
Status
PUBLISHED
Pages
23
Language
English
Format
Secure PDF
Secure – PDF details
- Save your file locally or view it via a web viewer
- Viewing permissions are restricted exclusively to the purchaser
- Device limits - 3
- Printing – Enabled only to print (1) copy
See more about our Environmental Commitment
Abstract
ISO 14502-2:2005 specifies a high-performance liquid chromatographic (HPLC) method for the determination of the total catechin content of tea from the summation of the individual catechins. It is applicable to both leaf and instant green tea, and with precision limitations to black tea.
Gallic acid and caffeine can also be determined by this method, as can theogallin and theaflavins.
Previous Editions
Can’t find what you are looking for?
Please contact us at:
Related Documents
-
ISO 28401:2024 Light metals and their alloys – Titanium and titanium alloys – Vocabulary
CDN $195.00 Add to cart -
ISO 55000:2024 Asset management – Vocabulary, overview and principles
CDN $263.00 Add to cart -
ISO 15416:2025 Automatic identification and data capture techniques – Bar code print quality test specification – Linear symbols
CDN $352.00 Add to cart -
ISO 24021:2024 Light gauge metal containers – Vocabulary and classification – Part 2: General cans
CDN $195.00 Add to cart
