ISO 6121-1988 表面活性剂 工业烷烃磺酸盐 用直接两相滴定法测定烷烃单磺酸盐含量

标准号：ISO 6121-1988
中文标准名称：表面活性剂 工业烷烃磺酸盐 用直接两相滴定法测定烷烃单磺酸盐含量
英文标准名称：Surface active agents; technical alkane sulfonates; determination of alkane monosulfonates content by direct two-phase titration
标准类型：G72
发布日期：1999/12/31 12:00:00
实施日期：1988/6/1 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：The determination is carried out in a consisting of an aqueous phase and a chloroform phase, in the presence of sodium sulfate, by titration against a standard volumetric cationic-active solution (benzethonium chloride), in the presence of an indicator consisting of a mixture of a cationic dye (dimidium bromide) and an anionic dye (acid blue 1).