ISO-746 › Sodium carbonate for industrial use -- Determination of matter insoluble in water at 50 degrees C

ISO-746 - 1ST EDITION - CURRENT


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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.

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Document Number

ISO 746:1976

Revision Level

1ST EDITION

Status

Current

Publication Date

Feb. 1, 1976

Committee Number

ISO TC 47