“化学教育”1982年第3期刊载人民教育出版社“关于初中化学课本改编中的几个问题”中提出“纸上层析”方法移到高中化学课本里讲授”。为此,这里介绍一篇这个方面的实验作为参考。 实验前予习 “Chemical Education” in 1982 third issue of People’s Education Press “on the junior high school chemistry textbook adaptation” in the proposed “paper chromatography” method moved to high school chemistry textbook teaching. "To this end, here is a Piece of this experiment as a reference. Pre-experiment to learn