問題詳情

75 以 silica gel TLC 片分析下圖 3 個 NSAIDs,並以 ethyl acetate/methanol/strong ammonia solution (80:10:10)為移動相,則其 Rf 值由小到大的順序為何?  
(A) diclofenac/ mefenamic acid/ ibuprofen
(B) mefenamic acid/ diclofenac/ ibuprofen
(C) diclofenac/ ibuprofen/ mefenamic acid
(D) ibuprofen/ diclofenac/ mefenamic acid

參考答案

答案:D
難度:困難0.373626
統計:A(46),B(16),C(17),D(68),E(0)

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