ISO 1983-1977 标准详情
- 标准号:ISO 1983-1977
- 中文标题:工业用硝酸.硫酸化灰分的测定.重量法
- 英文标题:nitric acid for industrial use-determination of sulphated ash-gravimetric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1977-11-15
The principle of the method consists inevaporation of a test portion in a platinum dish, conversion of the residue to sulphates by treatment with sulphuric acid; ignition in an electric furnace, controlled at (800 +- 25) ?C, and weighing. Replaces IS
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