鉴别碳酸钠和碳酸氢钠最简单的方法

The Easiest Way to Tell Sodium Carbonate from Sodium Bicarbonate

碳酸钠与碳酸氢钠的鉴别方法有很多,主要是通过二者物理性质或化学性质的差别进行比较。二者的鉴别最简单的方法是直接比较二者溶液的pH值大小,使用广泛pH试纸即可,而溶液浓度大小不影响最后判断。

There are many ways to identify sodium carbonate and Sodium bicarbonate,which is primarily by comparing their physical properties or chemical property.The simplest way to distinguish the two solutions is to directly compare the pH value of the two solutions,using a wide range of pHtest paper,and the concentration of the solution does not affect the final judgment.