ISO 992-1975 标准详情
- 标准号:ISO 992-1975
- 中文标题:工业用氢氧化钾.氯化物含量的测定.汞液滴定法
- 英文标题:potassium hydroxide for industrial use-determination of chlorides content-mercurimetric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1975-02-15
The method is applicable to products the chloride content of which is greater than 25 mg/kg. The procedure is based on titration of the chloride ions with mercury(II) nitrate in the presence of diphenylcarbazone as indicator. - Replaces ISO Recommend
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