ISO 10702-1993 标准详情
- 标准号:ISO 10702-1993
- 中文标题:钢和铁 氮含量的测定 蒸馏后滴定法
- 英文标题:Steel and iron; determination of nitrogen content; titrimetric method after distillation
- 标准类别:国际标准化组织标准ISO
- 发布日期:1993-07
The principle of the method specified is dissolving a test portion in hydrochloric acid followed by oxidation with hydrogen peroxide, fuming of the acid-insoluble residue in sulfuric acid with potassium sulfate and copper(II) sulfate, distilling the
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