标准号:ISO 746-1976
中文标准名称:工业用碳酸钠 50℃时水不溶物的测定
英文标准名称:Sodium carbonate for industrial use; Determination of matter insoluble in water at 50 degrees C
标准类型:G10
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:G10
国际标准分类号:71.060.50
适用范围:The principle of the method consists in dissolution of a test portion and filtration of the solution through a tared filter. Washing of the insoluble matter at approximately 50 C until the washings are no longer alkaline. Drying of the residue and weighing. Replaces ISO Recommendation R 746-1968.