ISO 2365-1972 标准详情
- 标准号:ISO 2365-1972
- 中文标题:工业用硝酸铵:PH值测定:电势测定法
- 英文标题:ammonium nitrate for industrial use; measurement of ph value; potentiometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1972-08-01
The measurement is carried out at a concentration of 100 g/l. The principle consists in measurement at a temperature of (20 +- 1) ?C, using a pH meter fittet with glass and calomel electrodes. Water, free from carbon dioxide, shall be used in the ana
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