International Standard
ISO 893:1989
Surface active agents — Technical alkane sulfonates — Methods of analysis
Reference number
ISO 893:1989
ISO 893:1989
Edición 2
1989-11
1989-11
© ISO 2024
International Standard
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ISO 893:1989
5284
No disponible en español
Publicado
(Edición 2, 1989)
Esta norma se revisó y confirmó por última vez en 2022.
Por lo tanto, esta versión es la actual.
Resumen
Specifies the following methods of analysis for the substance to be tested: measurement of pH, determination of water content, determination of free alkalinity or free acidity, determination of matter extractable by light petroleum, determination of sodium alkane sulphonates content, determination of alkane monosulphonates content, determination of sodium sulphite content, determination of sodium sulphate content, determination of sodium chloride content. In annexes a general scheme of analysis and a method for the determination of total salts content is given.
Ciclo de vida
-
Anteriormente
RetiradaISO 893:1978
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Ahora
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