ISO 6676-1993 标准详情
- 标准号:ISO 6676-1993
- 中文标题:酸性和陶瓷性荧石 磷总含量的测定 还原磷钼酸盐光谱法
- 英文标题:Acid-grade and ceramic-grade fluorspar; determination of total phosphorus content; reduced-molybdophosphate spectrometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1993-04
The method specified is based on dissolution of a test portion by fusion with a mixture of sodium carbonate, boric acid and sodium nitrate and subsequent acidification with nitric acid, formation of the molybdophosphate complex and extraction with a
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