论文部分内容阅读
用FeCl_3溶液与NaOH溶液反应,探究制备Fe(OH)_3胶体的最佳条件,找出中学化学教学成功演示Fe(OH)_3胶体丁达尔现象的方法。
The optimal conditions for the preparation of Fe (OH) 3 colloids were explored by the reaction of FeCl 3 solution and NaOH solution, and the method of successfully demonstrating the phenomenon of Fe (OH) 3 colloid Tyndall in middle school chemistry teaching was found out.