论文部分内容阅读
安阳钢铁公司水冶炼铁厂化验室试用硫代硫酸钠定铁,经过多次试验结果完全正确。氧化亚铁和全铁用一个样品连续测定,可以比以前两法缩短三分之二的时间,并能节省20—30毫升盐酸。
Anyang Iron and Steel Company Iron and steel mill water smelting iron trial of sodium thiosulfate, after several test results are correct. The continuous determination of ferrous and ferro-iron with one sample reduced the time by two-thirds compared to the previous two methods and saved 20-30 ml of hydrochloric acid.