ISO 2830-1973 标准详情
- 标准号:ISO 2830-1973
- 中文标题:天然和人造冰晶石 铝含量的测定 原子吸收法
- 英文标题:Cryolite, natural and artificial; Determination of aluminium content; Atomic absorption method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1973-12
Applicable to products having a normal composition for which the molar ratio NaF/AlF3 is equal to about 3. Dissolution of a test portion in concentrated suphuric acid and elimination of hydrogen fluoride. Treatment with hydrochloric acid and water. A
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