問題詳情

34 以 silica gel TLC 片分析下圖 3 個 NSAIDs,並以 chloroform/acetone(4:1)為移動相,則其 Rf 值由小到大的順序應為何? 
(A)diclofenac/mefenamic acid/ibuprofen
(B)diclofenac/ibuprofen/mefenamic acid
(C)ibuprofen/diclofenac/mefenamic acid
(D)ibuprofen/mefenamic acid/diclofenac

參考答案

答案:A
難度:適中0.558583
統計:A(410),B(69),C(121),D(134),E(0)

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