ISO 3331-1975 标准详情
- 标准号:ISO 3331-1975
- 中文标题:工业用硝酸铵;全部氮含量测定;蒸馏后进行滴定测量法
- 英文标题:ammonium nitrate for industrial use; determination of total nitrogen content; titrimetric method after distillation
- 标准类别:国际标准化组织标准ISO
- 发布日期:1975-07-15
Based on the conversion of nitrate into ammonia by means of Devarda''s alloy in alkaline solution together with the liberation of ammonia from ammonium ions. Distillation of the ammonia from both reactions, absorption in an excess of standard volum
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