产品性质
Sigma-Aldrich
Aldrich® Buchner funnel
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
