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ISO 1576:1988

Tea — Determination of water-soluble ash and water-insoluble ash

Publication date:   Jul 7, 1988

General information

90.93 Standard confirmed   Sep 7, 2020

ISO

ISO/TC 34/SC 8 Tea

International Standard

67.140.10   Tea

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Scope

The method consists in extractiing of the total ash with hot water, filtration through ashless filter paper, ignition and weighing of the residue to determine the insoluble ash; calculation of the soluble ash by difference.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 1576:1975

NOW

PUBLISHED
ISO 1576:1988
90.93 Standard confirmed
Sep 7, 2020