Sigma-Aldrich
Replacement O-rings for five-position NMR tube cleaner system
Precast Agarose Gels
预制琼脂糖凝胶
SpectrafugeTM 16M microcentrifuge
Hettich® Universal 320/320R centrifuge
Hettich® Universal 320/320R 离心机
5-Nitrobarbituric acid hydrate
5-硝基巴比妥酸 水合物
Aldrich® coiled condenser with SafetyBarb® hose connectors
DuraSealTM laboratory stretch film
Microcapillary tube Drummond Microcaps®
Drummond Microcaps微量毛细管®
Slides, microscope
载玻片
Ace auto-zero McLeod vacuum gauges
Ace flat-bottom reaction flasks
Ace four-neck round-bottom flask
ACE heavy-wall powder funnels
Ace precision-ground shaft
Ace round-bottom flask with threaded side-arm