ASTM Class A Borosilicate Glass Volumetric Flask with Glass Stopper, White Graduations Capacity:10mL the half-disc shape ensuring light

the half-disc shape ensuring light enters the curved face along its radius for clean refraction-angle observations

designed so seated students read the needle without parallax error from a steep viewing angle

Right-angle Rotaflow stopcock in borosilicate glass features 0-6mm bore for precise flow control in burettes and chemistry apparatus

Used in endothermic-dissolution demonstrations (cold packs) and as an oxidizer

Pre-measured 25g of glucose for mixing into 500mL of 5% solution on demand

ASTM Class A Borosilicate Glass Volumetric Flask with Glass Stopper, White Graduations Capacity:10mL the half-disc shape ensuring lightASTM compliant Class A tolerance paired with a ground glass stopper and high contrast white graduations supports precision dilution where regulatory traceability matters.