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ISO 746:1976

Sodium carbonate for industrial use — Determination of matter insoluble in water at 50 degrees C ISO 746:1976

Publication date:   Feb 1, 1976

General information

90.93 Standard confirmed   Oct 20, 2023

ISO

ISO/TC 47 Chemistry

International Standard

71.060.50   Salts

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Scope

The principle of the method consists in dissolution of a test portion and filtration of the solution through a tared filter. Washing of the insoluble matter at approximately 50 C until the washings are no longer alkaline. Drying of the residue and weighing. Replaces ISO Recommendation R 746-1968.

Life cycle

NOW

PUBLISHED
ISO 746:1976
90.93 Standard confirmed
Oct 20, 2023