ISO 3121-1976 标准详情
- 标准号:ISO 3121-1976
- 中文标题:工业用硼酸,氧化硼和四硼磷酸氢二钠;氯化物含量测定;汞液滴定法
- 英文标题:boric acid, boric oxide and disodium tetraborates for industrial use; determination of chloride content; mercurimetric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1976-04-01
The principle consists in titration of the cloride ions with standard volumetric mercury(II) nitrate solution in presence of diphenylcarbazone as indicator until the colour of the solution matches the mauve of the standard end-point matching solution
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