标准号:DIN EN 1262-2004
中文标准名称:表面活性剂.溶液或分散剂的pH值测定
英文标准名称:Surface active agents - Determination of pH value of solutions or dispersions; German version EN 1262:2003
标准类型:G72
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:G72
国际标准分类号:71.100.40
适用范围:This document specifies a method for the determination of pH value of solutions or dispersions of surface active agents and gives a method for their preparation. The method is applicable to aqueous solutions containing anionic, cationic and non-ionic surface active agents, ampholytic surface active agents and products in solution containing surface active agents.