请问苯甲醛跑板应该用什么展开剂?还有比例。我试了用石油醚和乙...?Thin layer chromatography of various functional groups and analgesics Materials and methods • 5% (w/v) solutions of benzaldehyde, benzoic acid, benzyl alcohol, methyl benzoate and benzamide in methylene chloride http://faculty.northseattle.edu/tfurutani/che103/lab1.pdf 此文档可直接下载查看更多