ISO 2362-1972 标准详情
- 标准号:ISO 2362-1972
- 中文标题:工业用氟化铝:氟含量测定:改进的WILLARD-WINTER法
- 英文标题:aluminium fluoride for industrial use; determination of fluorine content; modified willard-winter method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1972-12-01
The principle of the method consists in fusion of a test portion with sodium carbonate. Separation of fluorine by distillation with sulphuric acid. Titration with thorium nitrate solution using sodium alizarinsulphonate-methylene blue as indicator. A
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