Sigma-Aldrich
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
Aldrich® Spectral ViewerTM
Aldrich® sublimation apparatus
Aldrich ® 升华装置
Aldrich® three-neck round-bottom flask