ISO-4318 › Surface active agents and soaps -- Determination of water content -- Azeotropic distillation method

ISO-4318 - 2ND EDITION - CURRENT


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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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Document Number

ISO 4318:1989

Revision Level

2ND EDITION

Status

Current

Publication Date

July 15, 1989

Committee Number

ISO TC 91