Replacement O-rings for five-position NMR tube cleaner system

Microcapillary tube Drummond Microcaps^®

Drummond Microcaps微量毛细管^®

PROHEAT^® heat gun

Ace addition funnel

Ace European-style three-neck flask

Ace four-neck round-bottom flask

ACE heavy-wall powder funnels

Ace precision-ground shaft

Ace round-bottom flask with threaded side-arm

Ace vacuum-sublimation apparatus

Aldrich^® cold-finger condenser