International Standard
ISO 2479:1972
Sodium chloride for industrial use — Determination of matter insoluble in water or in acid and preparation of principal solutions for other determinations
Reference number
ISO 2479:1972
ISO 2479:1972
Edición 1
1972-12
1972-12
© ISO 2024
International Standard
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ISO 2479:1972
7399
No disponible en español
Publicado
(Edición 1, 1972)
Esta norma se revisó y confirmó por última vez en 2023.
Por lo tanto, esta versión es la actual.
Resumen
Insoluble substances shall be defined by the conditions described in this document. The object is not to dissolve all the impurities but only those of interest to users. The method is applicable to the analysis, carried out inaqueous medium or in acid medium. The principle consists in solution of the test portion in water, filtration, drying and weighing of the insoluble residue. Dilution of the filtrate to form the main solution for carrying out other determinations.
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