ACQUITY UPLC BEH Amide VanGuard Pre-column, 130Å, 1.7 μm, 2.1 mm X 5 mm, 3/pkg [186004799]
ACQUITY UPLC BEH Amide VanGuard Pre-column, 130Å, 1.7 μm, 2.1 mm X 5 mm, 3/pkg [186004799]
分流直式衬管,顶空衬管,用于Ultra GC,, 3mmID, 105mm, Pk 5
分流直式衬管,顶空衬管,用于Ultra GC,, 3mmID, 105mm, Pk 5