电光分析天平的间接称量及常见问题分析

Indirect Weight Method of Electro-optical Analytical Balance and Analysis on the Common Problems

电光分析天平的使用是化学专业学生实验训练的开始,实验操作步骤多,要求准确度高,学生刚接触实验,往往会出现很多问题.现以间接法称量草酸为例,对电光分析天平的间接称量法进行逐步讲解,并依次分析学生在称量过程中的常见问题.

The use of electro-optical analytical balance is the beginning of experiment training for students majoring in chemistry.Students who have just come into contact with the experiment often encounter a lot of problems due to the multi-procedures and high request accuracy.Taking the oxalic acid as an example, the indirect weight method of analytical balance is comprehended,and the students＇ common problems occurring in the weighing process are analyzed.