試題詳解

5 固相萃取法（solid-phase extraction）之操作步驟順序，下列何者正確？
(A) column conditioning → sample application → column drying → column wash → elution of drugs
(B) column conditioning → sample application → column wash → column drying → elution of drugs
(C) sample application → column wash → column drying → column conditioning → elution of drugs
(D) sample application → column conditioning → column drying → column wash → elution of drugs