International Standard
ISO 1104:1977
Surface active agents — Technical sodium alkylarylsulphonates (excluding benzene derivatives) — Methods of analysis
Reference number
ISO 1104:1977
ISO 1104:1977
Edición 1
1977-11
1977-11
© ISO 2024
International Standard
p
ISO 1104:1977
5621
No disponible en español
Publicado
(Edición 1, 1977)
Esta norma se revisó y confirmó por última vez en 2021.
Por lo tanto, esta versión es la actual.
Resumen
Specifies the following determinations for the substances 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 alkylarylsulphonates 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 rapid method for the determination of sodium alkylarylsulphonates are given.
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