知识贝壳
知识贝壳
所属栏目：英汉双解化学
A white solidformed either by the action of carbon onsodamide at high temperature or by pass-ing ammonia over sodium at 300-400℃ toform sodamide and reacting it with carbon.The industrial salt is prepared by the Castnerprocess and purified by recrystalliz ......（本文共 544 字 ） [阅读本文] >>