ISO 9768:1994
Tea - Determination of water extract
- Standard No.
- ISO 9768:1994
- Release Date
- 1994
- Published By
- International Organization for Standardization (ISO)
- Status
- Replace By
- ISO 9768:1994/cor 1:1998
- Latest
- ISO 9768:1994/cor 1:1998
- Scope
- 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.
ISO 9768:1994 history
- 1998 ISO 9768:1994/cor 1:1998 Tea - Determination of water extract; Technical Corrigendum 1
- 1994 ISO 9768:1994 Tea - Determination of water extract
- 1990 ISO 9768:1990 Tea — Determination of water extract
