Sigma-Aldrich
Aldrich?large-capacity cold trap
Aldrich?lattice rods
Aldrich?low form dewar flask
Aldrich?低形杜瓦瓶
Aldrich?NMR-tube cleaner
Aldrich?septum-inlet adapter with stopcock on side-arm
Aldrich?septum-inlet adapter, male
Aldrich?silvered, vacuum-jacketed Vigreux column
Aldrich?single-neck round-bottom flask
Aldrich?single-neck round-bottom flask with Clear-Seal?joint
Aldrich?single-neck round-bottom flask, male
Aldrich?Snyder distilling column