ISO 4318-1989 表面活性剂和肥皂 含水量的测定 共沸蒸馏法

标准号：ISO 4318-1989
中文标准名称：表面活性剂和肥皂 含水量的测定 共沸蒸馏法
英文标准名称：Surface active agents and soaps; determination of water content; azeotropic distillation method
标准类型：Y43
发布日期：1999/12/31 12:00:00
实施日期：1989/7/15 12:00:00
中国标准分类号：Y43
国际标准分类号：71.100.40
适用范围：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.