基本信息
半岛bd体育手机客户端 性质
Sigma-Aldrich
Aldrich?5 mm NMR tube evacuation manifold
Aldrich?addition funnel with pressure-equalization arm
Aldrich?anticlimb splash-guard adapter with fritted disc
Aldrich?antisplash splash-guard adapter with return hole
Aldrich?Buchner funnel
Aldrich?Dean-Stark trap
Aldrich?dual-action NMR tube cleaner