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ISO 9768:1994

Tea — Determination of water extract

Publication date:   Jul 28, 1994

General information

90.20   Standard under periodical review   Jul 15, 2026

ISO

ISO/TC 34/SC 8 Tea

International Standard

67.140.10   Tea

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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

PREVIOUSLY

WITHDRAWN
ISO 9768:1990

NOW

PUBLISHED
ISO 9768:1994
90.20 Standard under periodical review
Jul 15, 2026

CORRIGENDA / AMENDMENTS

PUBLISHED
ISO 9768:1994/Cor 1:1998