ISO 2363-1972 标准详情
- 标准号:ISO 2363-1972
- 中文标题:工业用硫酸和发烟硫酸:氮氧化物测定:2,4- 二甲苯酚分光光度法
- 英文标题:sulphuric acid and oleums for industrial use; determination of oxides of nitrogen; 2,4- xylenol spectrophotometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1972-11-01
The method ia applicable of oxide of nitrogen contents equal to or greater than 0, 00002 % (m/m). The principle is based on oxidation of nitrous nitrogen to nitric nitrogen by potassium permanganate. Reaction of nitric nitrogen with 2, 4-xylenol unde
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