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Filtering Flask, Glass

Glass Filtering Flask

Filtering Flask, Glass
Product Code: glass-filtering-flask

Bomex Glass Filtering Flasks






Glass Filtering Flask, Bomex, 250 ml Capacity, Stopper Size #6


Glass Filtering Flask, Bomex, 250 ml Capacity, Stopper Size #6 - (6/box)


Glass Filtering Flask, Bomex, 500 ml Capacity, Stopper Size #8


Glass Filtering Flask, Bomex, 500 ml Capacity, Stopper Size #8 - (6/box)


Glass Filtering Flask, Bomex, 1000ml Capacity, Stopper Size #10




Filtering Flask, Bomex
-Narrow Mouth Flask
-Borosilicate Glass
-Tooled top finish
-Capacity Scale
-Thick Walls
-Tapered Outside Contour

A Büchner flask, also known as a vacuum flask, filter flask, side-arm flask or Kitasato flask, is a thick-walled Erlenmeyer flask with a short glass tube and hose barb protruding about an inch from its neck. The short tube and hose barb effectively acts as an adapter over which the end of a thick-walled flexible hose (tubing) can be fitted to form a connection to the filtering flask. The other end of the hose can be connected to source of vacuum such as an aspirator, vacuum pump, or house vacuum. Preferably this is done through a trap, which is designed to prevent the sucking back of water from the aspirator into the Büchner flask. The thick wall of the filtering flask provides it the strength to withstand the pressure difference while holding a vacuum inside. It is primarily used together with a Büchner funnel fitted through a drilled rubber bung or an elastomer adapter (a Büchner ring) at the neck on top of the flask for filtration of samples. The Büchner funnel holds the sample isolated from the suction by a layer of filter paper. During filtration, the filtrate enters and is held by the filtering flask while the residue remains on the filter paper in the funnel.

Right Price Chemicals offers a complete line of laboratory glassware including filtering flasks. Buy your filtering flask and other laboratory glassware online here at Right Price Chemicals.

Additional Information

Additional Information

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