ISO 9502-1993 标准详情
- 标准号:ISO 9502-1993
- 中文标题:冶金性荧石 硅含量的测定 还原硅钼酸盐光谱法
- 英文标题:Metallurgical-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 principle of the method specified is to decompose a test portion by alkaline fusion with sodium carbonate and subsequent acidification with hydrochloric acid in the presence of boric acid to complex fluoride, selective reduction to the blue molyb
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