ISO 983-1974 标准详情
- 标准号:ISO 983-1974
- 中文标题:工业用氢氧化钠.铁含量的测定.1,10-菲罗啉光度法
- 英文标题:sodium hydroxide for industrial use; determination of iron content; 1,10- phenanthroline photometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1974-12-15
Specifies a method that is more sensitive and more widely used than the 2,2''-bipyridyl method. It is applicable to products having iron contents equal to or greater than 0.5 mg/kg. The principle is based on the reduction of trivalent iron by hydro
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