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ISO 1577:1987

Tea — Determination of acid-insoluble ash

Sep 10, 1987

General information

90.93     Sep 10, 2020

ISO

ISO/TC 34/SC 8

International Standard

67.140.10  

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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WITHDRAWN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

National adoptions

SSH ISO 1577:1987  
DPS

Tea — Determination of acid-insoluble ash

60.60 Standard published

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