铬酸铅容量法对黄铜中铅的分析与应用

Analysis and application on the lead in brass by lead chromate capacity method

主要介绍用重铬酸钾标准溶液沉淀铅、用硫酸亚铁标准溶液回滴剩余的重铬酸钾的原理、分析过程及分析方法的优点与注意事项。

The principle of precipitating Pb with potassium dichromate standard solution,and droping the remaining potassium dichromate with ferrous sulfate standard solution is not only mainly introduced,but also its process and advantages of the analysis method and notes.