摘要
以氯化亚锡还原铁(Ⅲ),磺酸钾消除余量锡(Ⅱ)的影响,然后用二苯胺磺酸钠为指示剂,标准硫酸铈滴定铁(Ⅱ)。
Iron(Ⅲ) is reduced by stannous chloride and then the effect of residual tin(Ⅱ) is eliminated by adding potassium iodide. Iron(Ⅱ) is titrated with standard cerium sulfate with sodium diphenylamine sulfonate as indicator.
出处
《云南冶金》
1999年第1期68-70,共3页
Yunnan Metallurgy
关键词
硫酸铈
铁
测定
无汞无铬法
iron analysis process free of Hg and Cr 6+ cerium sulfate