返滴定法测定铝的实验教学研究

Research on the Experiment Teaching of Determining Aluminum Content by Back Titration Method

作为大学分析化学实验的常规教学内容,EDTA络合返滴定法测定铝的含量有一定操作难度。本文结合教学实践,选用简便易行的实验方案,系统阐释了该实验的原理并对相关操作进行了改进,获得满意的教学效果。

As one part of routine college analytical chemistry teaching contents,the experiment of determining aluminum by EDTA complexometric back titration got some difficulties in practical operation.A simple experimental program based on the teaching was selected to explain the relative principles and improve some operations.The result was satisfied.