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lian xu zhi qu an qi de huan bao xing shi yan zhuang zhi de she ji
Author(s): 
Pages: 41-42
Year: Issue:  3
Journal: Experiment and Equipment for Primary School

Abstract: 针对教学中需要制取大量的氨气时装置出现的不足,本着操作简单又容易推广的原则,利用易得的器材自制了一套快捷制取和收集氨气的实验装置,可为化学实验教师准备实验节省时间. 1 设计缘由 1.1 氨的喷泉实验 该实验是高中化学的经典实验,3个版本的教材中都有的实验.教材是这么描述的:“在干燥的烧瓶里充满氨气,用带有玻璃管和滴管(滴管里预先吸入水)的塞子塞紧瓶口.
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