ISO 1598-1990 塑料 乙酸纤维素 不溶物的测定

标准号：ISO 1598-1990
中文标准名称：塑料 乙酸纤维素 不溶物的测定
英文标准名称：Plastics; cellulose acetate; determination of insoluble particles
标准类型：G31
发布日期：1999/12/31 12:00:00
实施日期：1990/9/15 12:00:00
中国标准分类号：G31
国际标准分类号：83.080.01
适用范围：Specifies a test method for determinig the number of insoluble and visible particles including all impurties and foreign particles in cellulose acetate. A test portion is dissolved in a mixture of dichloromethane, methanol and dimethylphthalate. Counting of all visible particles with a diameter greater than 0,15 mm in a square area with a side length of 25 mm.