ISO 2069-1976 标准详情
- 标准号:ISO 2069-1976
- 中文标题:金属铝生产用氧化铝.钙含量的测定.火焰原子吸收法
- 英文标题:aluminium oxide primarily used for the production of aluminium-determination of calcium content-flame atomic absorption method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1976-08-01
This method is applicable to products having Ca contents greater than 0,003 % (m/m). The principle consists in dissolution of a test portion by the influence of hydrochloric acid under pressure. Addition of sodium ions to promote and to stabilize the
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