ISO 6229-1980 标准详情
- 标准号:ISO 6229-1980
- 中文标题:工业用六氟硅酸钠.游离二氧化硅含量的测定.重量分析法
- 英文标题:sodium hexafluorosilicate for industrial use; determination of free silica content; gravimetric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1980-07-15
Covers a method, the principle of which is based on the extraction from a test portion of compounds soluble in acetic acid solution and weighing of the residue after heating at 600 °C, removal from the residue, of silica by evaporation with hydro
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