SS-EN ISO 787-4 : 2017现行
General methods of test for pigments and extenders - Part 4: Determination of acidity or alkalinity of the aqueous extract (ISO 787-4:1981)
出版：Standardiserings-Kommissionen I Sverige
专家解读视频
基本信息
标准编号： SS-EN ISO 787-4 : 2017
标准类别：Standard
出版单位：Standardiserings-Kommissionen I Sverige
标准页数：0
标准简介
The principle of the method consists in the hot extraction of the material by following the procedure specified in ISO 787/3, to the stage of obtaining a perfectly clear filtrate. The determination is carried out with indicator solution (method A).
等同采用的国际标准
EN ISO 787-4 : 2017 - Identical
ISO 787-4 : 1981(R2014) - Identical
ISO 787-4 : 1981(R2014) - Identical
