ISO 1688-1976 标准详情
- 标准号:ISO 1688-1976
- 中文标题:工业用硅酸钠和硅酸钾.干物质的测定.重量法
- 英文标题:sodium and potassium silicates for industrial use-determiantion of dry matter-gravimetric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1976-02-01
The principle consists in drying of a test portion in a platinum or silica dish followed by heating to between 600 ?C and 650 ?C. Weighing of the residue. The maximum deviation between results obtained is 0, 6 % (m/m) in absolute value. Replaces ISO
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