ASTM Class A Borosilicate Glass Volumetric Flask with Glass Stopper, White Graduations Capacity:200mL and reaction trays and reaction trays this Van de Graaff generator delivers spark producing high voltage demonstrations in the physics classroom ASTM compliant Class A tolerance paired with a ground glass stopper and high contrast white graduations supports precision dilution where regulatory traceability matters
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ASTM Class A Borosilicate Glass Volumetric Flask with Glass Stopper, White Graduations Capacity:200mL and reaction trays