标准摘要
[中文适用范围]： 规定了测定醋酸纤维素中不溶性和可见颗粒（包括所有杂质和外来颗粒）数量的测试方法。 将测试部分溶解在二氯甲烷、甲醇和邻苯二甲酸二甲酯的混合物中。 对边长为 25 毫米的正方形区域内直径大于 0.15 毫米的所有可见颗粒进行计数。 [外文原描述]： 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.
英文名称Plastics - Cellulose acetate — Determination of insoluble particles