用双指示剂银量法测定水中氰化物

通过多次试验,证实了银量法可测定水中氰化物。实验结果表明,在文中介绍的双指示剂银量法与传统的方法之间没有显著性差异,该法缩短了测定时间,实现了快速测定,且操作简单,终点灵敏,结果精确、可靠。

In order to prove the accuracy and precision for a kind of new cyanide measurement method, of which phenolphthalein substance was used as indictor, a number of comparative tests were conducted, the results shows that there is no obvious differences between the data by routine method of argentimetry and the other by the new methods, on the contrary with the merits of saving time, convenience, accuracy and precision, the new method satisfied related demands.