Active
, Reaffirmed
, Modified
Standard
Most Recent
ISO 14502-1:2005 (R2025)
Determination of substances characteristic of green and black tea
Part 1: Content of total polyphenols in tea — Colorimetric method using Folin-Ciocalteu reagent
Part 1: Content of total polyphenols in tea — Colorimetric method using Folin-Ciocalteu reagent
Summary
ISO 14502-1:2005 specifies a method for the determination of the total polyphenol content of leaf teas and instant teas by a colorimetric assay using Folin-Ciocalteu phenol reagent. It is applicable to both green and black tea products.
Notes
90.93 : Norme internationale confirmée
Technical characteristics
| Publisher | International Organization for Standardization (ISO) |
| Publication Date | 03/16/2005 |
| Confirmation Date | 09/26/2025 |
| Edition | 1 |
| Page Count | 10 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
No products.
Previous versions
16/03/2005
Active
, Reaffirmed
, Modified
Most Recent