BS EN ISO 2871-2-2010 表面活性剂.洗涤剂.阳离子活性物含量测定.低分子质量(200-500)阳离子活性物质

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标准号:BS EN ISO 2871-2-2010
中文标准名称:表面活性剂.洗涤剂.阳离子活性物含量测定.低分子质量(200-500)阳离子活性物质
英文标准名称:Surface active agents - Detergents - Determination of cationic-active matter content - Cationic-active matter of low molecular mass (between 200 and 500)
标准类型:G72
发布日期:2010/4/30 12:00:00
实施日期:2010/4/30 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 part of ISO 2871 specifies a method for the determination of low-molecular-mass cationic-activematerials such as monoamines, amine oxides, quaternary ammonium compounds and alkylpyridinium saltswhich have a main chain of 10 to 22 carbon atoms and not more than 6 other carbon atoms in the cation.The method is also suitable for other cationic-active materials.The method is applicable to solids or to aqueous solutions of the active material when the relative molecularmass of the cationic-active matter is known or when it has been previously determined if its content isexpressed as a percentage by mass. If more than one type of cationic-active material is present, an estimateof average relative molecular mass may be used.The method is not applicable if anionic and/or amphoteric surface active agents are present.

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