ISO 2216-1972 标准详情
- 标准号:ISO 2216-1972
- 中文标题:工业用粗硼酸钠.氧化钠和氧化硼含量的测定.容量法
- 英文标题:crude sodium borates for industrial use-determination of sodium oxide and boric oxide contents-volumetric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1972-07-15
The principle of the method consists in determination of the Na2O content by treatment of an aqueous extract with an excess of hydrochloric acid solution, followed by back-titration with standard volumetric sodium hydroxide solution in the presence o
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