Sigma-Aldrich
Connecting Adapter
Fine test sieves
Glindemann PTFE sealing rings
Glindemann PTFE密封圈
Griffin-type SS beaker
Jacketed beaker
Nalgene® vacuum filtration system
Perforated filter plate for Table-Top Buchner funnels
Scienceware® POXYGRID® test-tube rack
Serrated natural rubber septa
Sigma-Aldrich® micro pH combination electrode, glass body
Spinbar® magnetic stir bar
Spinbar® 磁力搅拌棒