ISO 5438-1993 标准详情
- 标准号:ISO 5438-1993
- 中文标题:酸性和陶瓷性荧石 硅含量的测定 还原硅钼酸盐光谱法
- 英文标题:Acid-grade and ceramic-grade fluorspar; determination of silica content; reduced-molybdosilicate 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 decomposition of a test portion by fusion with sodium carbonate and subsequent acidification with hydrochloric acid in the presence of boric acid to complex fluoride, formation of the molybdosilicic acid complex and s
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