设某组分在薄层板上展开后,斑点中心到原点的距离为a,起始线到溶剂前沿的距离为c,则该组分的R[img=~/QImg/2013-10-14-10-14-34/image052.jpg]值为
A、[img=~/QImg/2013-10-14-10-14-34/image054.jpg]
B、c/a
C、a/c
D、[img=~/QImg/2013-10-14-10-14-34/image055.jpg]
发布时间:2023-07-24 20:41:05
A、[img=~/QImg/2013-10-14-10-14-34/image054.jpg]
B、c/a
C、a/c
D、[img=~/QImg/2013-10-14-10-14-34/image055.jpg]