ISO 2886-1973 标准详情
- 标准号:ISO 2886-1973
- 中文标题:工业用乙醛 铁含量的测定 2,2'-联吡啶光度法
- 英文标题:Acetaldehyde for industrial use; Determination of iron content; 2,2'- Bipyridyl photometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1973-12-15
The principle consists in the evaporation to dryness of a test portion and dissolution of the residue in hydrochloric acid. Reduction of iron(III) by means of hydroxylammonium chloride. Formation of the iron(II)- 2,2''-dipyridyl complex. Photometri
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