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ISO 1577:1987

Tea — Determination of acid-insoluble ash ISO 1577:1987

Publication date:   Sep 10, 1987

General information

90.93 Standard confirmed   Sep 10, 2020

ISO

ISO/TC 34/SC 8 Tea

International Standard

67.140.10   Tea

Buying

Published

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Scope

The method consists in treating of the total ash (obtained as described in ISO 1575) with hydrochloric acid solution, filtrating, igniting and weighing of the residue.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 1577:1980

NOW

PUBLISHED
ISO 1577:1987
90.93 Standard confirmed
Sep 10, 2020