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：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)