ISO 456-1973 标准详情
- 标准号:ISO 456-1973
- 中文标题:表面活性剂 肥皂的分析 游离苛性碱的测定
- 英文标题:Surface active agents; Analysis of soaps; Determination of free caustic alkali
- 标准类别:国际标准化组织标准ISO
- 发布日期:1973-03
The determination may be carried out in two different ways by the ethanol method or the barium chloride method. In the first case the soap is dissolved in neutralized ethanol, and the free caustic alkali is titrated with an ewthanol solution of hydro
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