EN ISO 2871-2-1994 表面活性剂.洗涤剂,阳离子活性物质含量的测定.第2部分:低分子团(200-500)阳离子活性物质(ISO 2871-2-1990)
Surface Active Agents - Detergents - Determination of Cationic-Active Matter Content - Part 2: Cationic-Active Matter of Low Molecular Mass (Between 200 and 500) (ISO 2871-2:1990)