Rf在薄层色谱法(TL C)中的可用范围和最佳范围分别为
A.0.1~0.7,0.2~0.5 B.0.2~0.8,0.3~0.5 C.0.2~0.8,0.3~0.6 D.0.1~0.8,0.2~0.5 E.0.1~0.7,0.3~0.5正确答案B
Rf在薄层色谱法(TL C)中的可用范围和最佳范围分别为
A.0.1~0.7,0.2~0.5 B.0.2~0.8,0.3~0.5 C.0.2~0.8,0.3~0.6 D.0.1~0.8,0.2~0.5 E.0.1~0.7,0.3~0.5正确答案B