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