A.2/3mol B.3/2mol C.1/2mol D.2mol E.1mol
A.水-乙醇 B.異丙醇-丙酮 C.乙醇-丙酮 D.乙醇-乙酸乙酯 E.苯-乙醇
A.HPLC B.GC C.TLC D.PC(紙色譜) E.UV