Sigma-Aldrich
Aldrich® Buchner funnel
Aldrich® Dean-Stark trap
Aldrich® dual bank manifold with high-vacuum PTFE valves
Aldrich® dual-action NMR tube cleaner
Aldrich® evaporating flask, pear-shaped
Aldrich® flask-type sprayer
Aldrich® 烧瓶型喷雾器
Aldrich® graduated cylinders with joint, Class A
Aldrich® jacketed three-neck flask