DIN 53729 (1968-11)被替代
Testing Of Plastics; Determination Of Free Acid In Non-plasticized Cellulose Acetate
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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基本信息
标准编号： DIN 53729 (1968-11)
发布时间：1968/11/1 0:00:00
标准类别：Standard
出版单位：German Institute for Standardisation (Deutsches Institut für Normung)
标准页数：0
标准简介
The method used for determining the free acid in non-plasticized cellulose acetate. In this respect the acid extractable by water and the acid caused by the possible presence of carboxyl groups is detected. The method cannot be applied to cellulose acetates containing additives which influence the testing.
替代本标准的新标准
等同采用的国际标准
ISO 1061:1990 - Similar
