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

Microcapillary tube Drummond Microcaps^?

Drummond Microcaps微量毛细管^?

Ace auto-zero McLeod vacuum gauges

Ace flat-bottom reaction flasks

ACE heavy-wall powder funnels

Ace round-bottom flask with threaded side-arm

Aldrich^?can/drum adapters

Aldrich^?corrosive lecture-bottle gas regulator

Aldrich^?non-corrosive lecture-bottle gas regulator

Aldrich^?System 45^TMpowder addition funnel

Bench-top fume hood

台式通风橱