Sigma-Aldrich
Microcapillary tube Drummond Microcaps®
Drummond Microcaps微量毛细管®
Ace addition funnel
Ace European-style three-neck flask
Ace flat-bottom reaction flasks
ACE heavy-wall powder funnels
Ace precision-ground shaft
Ace reaction flask head w/ thermometer joint
Ace vacuum-sublimation apparatus
Aldrich® cold-finger condenser
Aldrich® corrosive lecture-bottle gas regulator
Aldrich® in-line oil bubbler with SafetyBarb® hose connectors
Aldrich® non-corrosive lecture-bottle gas regulator
Aldrich® pressure filter/drying funnel assemblies with removable fritted disc
All-purpose utility shears