agar plate aspirator autoclave boiling tube bunsen burner burette calorimeter chemostat class ii cabinet colony counter colorimeter condenser conical measure crucible cuvette distillation dry ice erlenmeyer flask eudiometer finger fleaker florence flask fume hood gas syringe glass tube graduated cylinder homogenizer hot air oven ice laboratory centrifuge laboratory equipment laboratory flask laboratory glassware laminar flow cabinet magnetic stirrer microscope microtiter plate nmr tube nickelocene petri dish picotiter plate pipette plate reader pycnometer reflux retort round-bottom flask schlenk flask soxhlet extractor spectrophotometry static mixer stir bar test tube thermometer thiele tube thistle tube volumetric flask vortex mixer wash bottle watch glass