摘要
经典的重铬酸钾法(SnCl2—HgCl2法)测定铁矿石中铁的含量[1],方法准确、简便,但所用氯化汞是剧毒物质,会严重污染环境,从而对(SnCl2—HgCl2)测铁法进行了一定的改进,将该实验中采用的还原剂SnCl2换成了廉价、易操作、易处理、无污染的锌片或锌粉。
Determination of iron in ironstone by potassium dichromate method has been improved in our laboratory as a cheaper, operation and treatment more simple, without pollution method. Unlike classical potassium dichromate method polluted environment by noxious hydrargyrum chloride, improved method uses the sheet zinc or zinc powder instead of stannum chloride.
出处
《贵阳学院学报（自然科学版）》
2006年第1期34-35,共2页
Journal of Guiyang University：Natural Sciences
关键词
铁矿石
污染
锌片
重铬酸钾法
Ironstone
Pollute Zinc
Potassium dichromate method
