Class A Custom Calibrated Borosilicate Glass Volumetric Flask with Polyethylene Stopper, White Graduations Capacity:192.2mL this stainless steel slotted mass

this stainless steel slotted mass set pairs four 50 gram masses with a 50 gram hanger totaling 250 grams

Sedimentary carbonate rock formed from cemented ooids built up in reef and lagoon environments

Hexagonal hollow glass stopper resists rolling on the bench and pairs with a narrow mouth that minimizes evaporative loss during routine reagent storage

Teaches proper brushing technique through a 3x life-size jaw model with gums and oversized toothbrush

Class A Custom Calibrated Borosilicate Glass Volumetric Flask with Polyethylene Stopper, White Graduations Capacity:192.2mL this stainless steel slotted massCustom calibrated Class A volumetric flask delivered with individual work certificate, suited for pharma and QC workflows requiring documented per flask accuracy.