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ISO 1577:1987

Tea -- Determination of acid-insoluble ash

General information

Valid from 10.09.1987
ICS Groups
67.140.10 Tea
Directives or regulations
None

Standard history

Status
Date
Type
Name
10.09.1987
Main
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.

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