ISO 4279-1977 标准详情
- 标准号:ISO 4279-1977
- 中文标题:工业用氟化铝;钠含量测定;火焰发射分光光度分析法
- 英文标题:aluminium fluoride for industrial use; determination of sodium content; flame emission spectrophotometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1977-11-15
Applicable to products having Na contents, expressed as Na2 O, of equal to or more than 0.05 % (m/m). The principle bases on fusion, at a controlled temperature, of a test portion with a mixture of lithium carbonate and boric oxide or with a mixture
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