ISO 1063-1974 表面活性剂 在硬水中稳定性的测定

标准号：ISO 1063-1974
中文标准名称：表面活性剂 在硬水中稳定性的测定
英文标准名称：Surface active agents; Determination of stability in hard water
标准类型：G72
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：G72
国际标准分类号：71.100.40
适用范围：Solutions of the substance to be tested in differing concentrations are mixed with hard water solutions of differing known calcium hardness. After leaving the solutions to stand in specified conditions their appearance, i.e. clearness, opalescence, cloudiness or precipitation is observed. The method is applicable to surface active agents soluble in water at 20 鳦. It can be extended to those which are soluble at approximately 50 鳦.