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无汞无铬(VI)测定铁
Determiantion of iron with no mercury and chromium
【摘要】 以氯化亚锡还原铁( Ⅲ) ,碘酸钾消除余量锡( 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) .
【Abstract】 The iron(Ⅲ)is reduced by stannnous chloride crystal and the rest of tin(Ⅱ) is eliminated by potassium iodin.Then,the iron(Ⅱ) is titrated by cerium sulfate with sodium diphenylamine sulphonale as indicator.
【关键词】 铁;
无汞无铬(Ⅵ)法;
硫酸铈;
【Key words】 iron; the analysis method of no mercury and no chrominm; cerium sulfate;
【Key words】 iron; the analysis method of no mercury and no chrominm; cerium sulfate;
- 【文献出处】 云南工业大学学报 ,JOURNAL OF YUNNAN POLYTECHNIC UNIVERSITY , 编辑部邮箱 ,1999年03期
- 【分类号】O614.811
- 【下载频次】36