Borrador del Comité
ISO/CD 4318
Surface active agents and soaps — Determination of water content — Azeotropic distillation method
Reference number
ISO/CD 4318
ISO/CD 4318
Edition 3
© ISO 2025
Borrador del Comité
Resumen
The water in a test portion is removed by azeotropic destillation with boiling xylene or petroleum. The volume of the water collected is measured. The method is applicable to products in the form of powders having water contents greater than 5 % (m/m), and in the form of pastes ans solutions. It is not applicable to samples containing water-soluble volatile compounds, for example ethanol.
Ciclo de vida
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Anteriormente
PublicadoISO 4318:1989
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Ahora
