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ISO 9768:1994 (R2021)
Tea — Determination of water extract
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Summary
The principle of the method specified is extraction of soluble matter from a test portion by boiling water under reflux, filtration, washing, drying and weighing of the hot-water-insoluble residue, calculation of the water extract.
Notes
90.93 : Norme internationale confirmée
Technical characteristics
| Publisher | International Organization for Standardization (ISO) |
| Publication Date | 07/28/1994 |
| Confirmation Date | 09/06/2021 |
| Edition | 2 |
| Page Count | 3 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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11/06/1998
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01/10/1994
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28/07/1994
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