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Hlavní stránka>ISO 4318:1989-Surface active agents and soaps — Determination of water content — Azeotropic distillation method
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sklademVydáno: 1989
ISO 4318:1989-Surface active agents and soaps — Determination of water content — Azeotropic distillation method

ISO 4318:1989

ISO 4318:1989-Surface active agents and soaps — Determination of water content — Azeotropic distillation method

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Označení normy:ISO 4318:1989
Počet stran:2
Vydání:2
Vydáno:1989
Popis

ISO 4318:1989


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.
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