ISO 981-1973 标准详情
- 标准号:ISO 981-1973
- 中文标题:工业用氢氧化钠 氯化物含量的测定 汞量法
- 英文标题:Sodium hydroxide 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:1973-02
The method is applicable to products of which the chloride content is greater than 0.005 % (m/m). The procedure based on titration of the chloride ions with mercury(II) nitrate in the presence of diphenylcarbazone as indicator. - Replaces ISO Recomme
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