I.S. 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：National Standards Authority of Ireland
专家解读视频
Provides a general method of test for determining the acidity or alkalinity of the aqueous extract of a Sample of Pigment or extender.
EN ISO 787-4:2017 - Identical
EN ISO 787-4 : 2017 - Identical
ISO 787-4 : 1981(R2014) - Identical
ISO 787-4 : 1981(R2014) - Identical
EN ISO 787-4 : 2017 - Identical
