Sigma-Aldrich
Aldrich?connecting tube/ distillation adapter
Aldrich?Dean-Stark trap
Aldrich?dual bank manifold with high-vacuum PTFE valves
Aldrich?evaporating flask, pear-shaped
Aldrich?graduated cylinders with joint, Class A
Aldrich?jacketed three-neck flask
Aldrich?large capacity fritted filter funnel
Aldrich?large-capacity cold trap
Aldrich?lattice rods
Aldrich?low form dewar flask
Aldrich?低形杜瓦瓶
Aldrich?NMR-tube cleaner