化学教学中为了确保教师演示实验和学生实验的效果,必须首先配制好化学试剂。化学试剂的配制常和温度、酸度、时间等条件有密切的关系。一定要根据试剂的性能、特点和用途,采用适当的方法来配制。本文拟就常见化学试剂配制中应注意的几个问题,谈谈个人的看法。 In chemistry teaching, in order to ensure that teachers demonstrate the effects of experiments and student experiments, chemical reagents must be prepared first. The preparation of chemical reagents is often closely related to conditions such as temperature, acidity, and time. Must be based on the reagent’s performance, characteristics and uses, using the appropriate method to prepare. This article will discuss some of the common chemical reagents should pay attention to several issues, talk about personal views.