ISO 3429-1976 标准详情
- 标准号:ISO 3429-1976
- 中文标题:主要用于铝生产的氟化钠 铁含量的测定 1,10-菲罗啉光度法
- 英文标题:Sodium fluoride primarily used for the production of aluminium; 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:1976-07
Applicable to the determination of Fe contents, expressed as Fe2 O3 , of more than 0.020 % (m/m). Covers the dissolution of a test portion by alkaline fusion by means of sodium carbonate and boric acid. Dissolving of the residue with nitric acid solu
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