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]
不分流衬管,一端渐细,用于Ultra GC, 5MM ID x 105MM, 5/pk
不分流衬管,一端渐细,用于Ultra GC, 5MM ID x 105MM, 5/pk