二氯化锡还原-硫氰酸盐快速光度法测定钢中钨

Rapid spectrophotometric determination of tungsten in steel with tin dichloride reduction thiocyanate

在浓热盐酸介质中 ,二氯化锡能迅速还原铁及钨 ,所拟方法简捷实用 ,可测中低合金钢中的钨。

In the medium of hot and conc hydrochloric acid,iron and tu ngsten could be reduced by SnCl 2 Th e method was proved to be simple, rapid and easy to operate,i t has been applied to the determin ation of tungsten in low and medium alloy steel with satisfactory resu lts