Class A Burette with PTFE Key Stopcock, 100mL, Blue Graduations, Borosilicate Glass Mechanics_Force & Motion 3 glass features 12/21 cone

3 glass features 12/21 cone with flat bottom for sealing ground joint vessels and chemistry apparatus

and mixed autotrophic-heterotrophic characteristics for protist biology teaching

Extended two-inch fingers on this vinyl-coated three-finger clamp provide deeper reach into apparatus assemblies

demonstrating that sound requires a medium to propagate

Class A Burette with PTFE Key Stopcock, 100mL, Blue Graduations, Borosilicate Glass Mechanics_Force & Motion 3 glass features 12/21 coneClass A burette in heavy duty borosilicate 3. 3 glass holds 100mL with blue graduations and PTFE key stopcock for large volume titration.