Reference number
ISO 894:1977
ISO 894:1977
© ISO 2024
International Standard
ISO 894:1977
Surface active agents — Technical sodium primary alkylsulphates — Methods of analysis
Edition 1
1977-11
1977-11
ISO 894:1977
5285
Publicado
(Edición 1, 1977)
Esta publicación 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 substances to be tested: measurement of pH, determination of water content, determination of free alkalinity or free acidity, determination of total alkalinity, determination of matter extractable by light petroleum, determination of matter extractable by diethyl ether after acid hydrolysis (combined technical fatty alcohols), determination of sodium sulphate content, determination of sodium chloride content. In annex a general schema of analysis is given.