ISO 9768:1994Published

Tea — Determination of water extract

Thé — Détermination de l'extrait à l'eau

Abstract / 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.

Life cycle

Amendments & corrigenda

ISO 9768:1994/Cor 1:1998PublishedTea — Determination of water extract — Technical Corrigendum 1International Standard · Published 11 Jun 1998 · ISO/TC 34/SC 8

Replaces

ISO 9768:1990WithdrawnTea — Determination of water extractInternational Standard · Published 20 Sep 1990 · ISO/TC 34/SC 8