ASTM Class A Borosilicate Glass Volumetric Flask with Glass Stopper, Blue Graduations Capacity:250mL DNase/RNase-free BioReagent Tris base (tromethamine)

DNase/RNase-free BioReagent Tris base (tromethamine) at >=99

ASTM Class A 3-piece graduated cylinder set in borosilicate glass with polypropylene bumper guards provides precision volumetric measurement

and semi-transparent 2

1MP images and 26 FPS video over USB 2

Unknown mixture composition kit teaches percent composition analysis through chemical testing

ASTM Class A Borosilicate Glass Volumetric Flask with Glass Stopper, Blue Graduations Capacity:250mL DNase/RNase-free BioReagent Tris base (tromethamine)Single blue graduation mark on a Class A borosilicate glass volumetric flask with a solid glass No. 9 stopper, compliant with ASTM E288 for analytical solution preparation.