ISO R 915-1968 标准详情
- 标准号:ISO R 915-1968
- 中文标题:工业用硫酸和发烟硫酸.铁含量的测定.2,2'-联吡啶分光光度法
- 英文标题:Sulphuric acid and oleum for industrial use; Determination of iron content; 2,2'- Bipyridyl spectrophotometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1968-12-01
The principle is based on evaporation of the test portion, taking up by means of hydrochloric acid and reduction of iron(III) by means of hydroxylammonium chloride. Formation of an iron(II) 2,2''-bipyridyl complex in a buffered medium at a pH value
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