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ISO 746:1976

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

Üldinfo
Kehtiv alates 01.02.1976
Tegevusala (ICS grupid)
71.060.50 Soolad
Direktiivid või määrused
puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
01.02.1976
Põhitekst
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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