ISO 2218-1972 标准详情
- 标准号:ISO 2218-1972
- 中文标题:工业用粗硼酸钠.900℃加热后质量损失的测定
- 英文标题:crude sodium borates for industrial use-determination of loss in mass after heating at 900℃
- 标准类别:国际标准化组织标准ISO
- 发布日期:1972-07-15
In the case of anhydous salts, the weighing of the test portion is carried out directly into platinum crucible. Transfering of the crucible in a muffle furnace, maintained at (900 +- 50) ?C. In case of hydrated sals, the weighing is also carried out
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