40.欲直接分析異構物 -alanine, -alanine,應選用下列何種靜相?
(A)Pirkle phase
(B)silica gel
(C)ODS
(D)ion-exchange resin
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統計: A(6797), B(663), C(797), D(612), E(0) #1528091
統計: A(6797), B(663), C(797), D(612), E(0) #1528091