Laboratory Glassware

Showing 1–10 of 52 results

2 NECK FLASK ROUND

“Cowbell” 2 Neck flask Round heavy wall, two neck flasks with standard taper outer joints on both the center neck and the angled side neck. All sizes are hand blown from tubing to ensure uniform wall thickness.

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ALLIHN CONDENSER

“Cowbell” Allihn Condenser, A series of bulbs on the tube increases the surface area upon which the vapor constituents may condense. Ideally suited for laboratory-scale refluxing.

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ANDERSON PIPETTE

“Cowbell” Anderson Pipette is a glass laboratory device in physical chemistry. It is used to determine the particle size distribution of particles up to a size of about 1 micron.

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B.O.D. BOTTLES

“Cowbell” bottle is normally designed to have a special shoulder radius to push out all air from the inside of the bottle when a sample solution is being filled into the bottle. According to the EPA Standard Methods for the Examination of Water and Wastewater or the Standard Methods 5210,[1] the BOD bottle should include a ground-glass stopper and a flared mouth which form a water seal preventing the air from the outside of the bottle coming in.

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BEAKERS

“Cowbell” Beakers, Made of borosilicate glass, this beaker is perfect for heating. It has the optimum balance between thermal resistance and mechanical resistance due to its controlled wall thickness at the sides, radius, and bottom. Spout makes for clean pouring.

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BURETTE WITH GLASS STOPCOCK

“Cowbell” Burettes, Graduated with GLASS stopcock giving very good flow control. No lubrication required and is highly resistant to chemical attack of borosilicate glass.

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BURETTE WITH PTFE STOPCOCK

“Cowbell” Burettes, Graduated with PTFE stopcock giving very good flow control. No lubrication required and is highly resistant to chemical attack of borosilicate glass.

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BURETTE WITH ROTAFLOW STOP

“Cowbell” Burettes, Graduated with Rotaflow stopcock giving very good flow control. No lubrication required and is highly resistant to chemical attack of borosilicate glass.

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CENTRIFUGE TUBE GRADUATED

“Cowbell” Graduated Centrifuge Tube, They may vary in capacity from 50 ml down to much smaller capacities used in microcentrifuges used extensively in molecular biology laboratories Made with Borosilicate Glass.

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CENTRIFUGE TUBE PLAIN

“Cowbell” Plain Centrifuge Tube, They may vary in capacity from 50 ml down to much smaller capacities used in microcentrifuges used extensively in molecular biology laboratories Made with Borosilicate Glass.

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