ISO 2717-1973 标准详情
- 标准号:ISO 2717-1973
- 中文标题:工业用硫酸和发烟硫酸;铅含量测定;双硫腙光度测定法
- 英文标题:sulphuric acid and oleum for industrial use; determination of lead content; dithizone photometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1973-12-01
Applicable to the determination of contents exceeding 1 mg/kg. The principle bases on evaporation of the test portion, dissolution in hydrochloric acid and reduction by hydroxylammonium chloride. Formation of complexes of interferring elements with a
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