With half-trace law instead of constant law,bromine ethane not iodine ethane reacts to carbolic acid sodium in order to make benzene ether.
以半微量法代替常量法,用溴乙烷代替碘乙烷与苯酚钠反应制取苯乙醚。
The article focuses on quantity analysis, discussion of using constant quantity instrument to do semimicro chemical analysis experiment.
本文围绕定量分析实验中 ,利用常量仪器进行半微量化学分析进行探讨 。
Smallscale semimicro microscale organic experiments have been practised step by step.
本文介绍了小量—半微量—微量有机化学实验的教学内容和特点 ,及在教学中初步试用的效
