Funnels

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  • Glassware system for vacuum filtration using 47mm membranes. Assembly is designed for use with vacuum manifolds or optional plastic coated filtering flask. Support base has a sealed-in coarse porosity fritted disc. Complete assembly includes a 300mL graduated funnel, aluminum clamp, support base…

  • Funnel has a sealed-in glass fritted disc of the listed porosity. Useful wherever filter paper or membranes cannot withstand the chemical attack of the filtrate. Constructed with heavy wall stems and the top of the funnel is beaded for additional strength. Not recommended for use where pressure…

  • PTFE powder funnel is totally chemically inert with super smooth non-stick internal finish.

  • Filter Apparatus

    Chemglass

    Useful for direct filtration applications of small volumes under vacuum. Complete apparatus consists of a Buchner funnel with 14/20 top outer and lower inner joints, and a 50mL Erlenmeyer flask having a 14/20 outer joint.

  • Secondary waste container for ECO Funnels.

  • Facilitates the delivery of free-flowing, granular solids into reactions. Pressure equalizing arm is equipped with a vented stopper for air-free operations and also permits access into the delivery stem for easy clean-out. One piece, easily removed grooved PTFE auger delivers powders at a uniform…

  • Squibb style separatory funnel with a PTFE stopcock. Supplied complete with a flask length stopper of the listed size. For replacement stoppers see CG-3018.

  • Cylindrical shaped separatory funnel having a lower standard taper inner joint and a top outer joint, both being the same size. Graduated with a double scale of numbers, one up from the stopcock and one down from the capacity line. Funnels with 14/20 and 19/22 joints are supplied complete with a…

  • Cylindrical style addition funnel with a standard taper top outer joint and lower inner joint, both being the same size. With pressure equalizing arm and glass stopcock. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

  • Squibb style separatory funnel with a PTFE stopcock. Supplied complete with a flask length PTFE stopper. See CG-3020-A for replacement stoppers.

  • Jacket permits the cooling of the contents of the funnel by means of dry ice. Drain outlet is 8mm O.D. With a standard taper top outer joint and lower inner joint, both being the same size, and pressure equalizing arm.

  • Same as the standard 8" ECO Funnel, but with the addition of an HPLC waste hook adapter that connects to the side of the funnel eliminating the danger of dangling waste lines into bottles and containers.

  • Features: Large Opening Polypropylene 60 and 80mm Reaction Flange for Easy Connection Fits 10 thru 100L Reactor Systems Large funnels have a 60mm or 80mm flange fused to the bottom of the funnel. This design makes them ideal for filling our process reactors by clamping the…

  • Funnel machined from PTFE screws securely onto any standard laboratory vial having a GPI thread. Design allows for easy, safe and mess free transfer of product. PLEASE NOTE: VIALS ARE NOT INCLUDED WITH FUNNELS.

  • This unique disposable filter funnel system for solid-liquid separation can be used in chemistry and biological laboratories. The system consists of a polypropylene filter funnel with diatomaceous earth/polyethylene fritted disc, a CG-1049-J style glass vacuum adapter, and a flask or vial. The…

  • Similar to CG-1742, but supplied without the PTFE stopcock plug or the flask-length stopper.

  • Cylindrical shape addition funnel with PTFE stopcocks. For replacement stoppers see CG-3000.

  • For positive pressure filtration of materials up to 15 psi. Connection between the funnel and adapter is made by an o-ring joint which permits a larger, grease free opening for sample retrieval. The 24/40 lower inner standard taper joint has an outlet for connection to a vacuum source. Complete…

  • Disposable filter funnel for solid-liquid separation can be used in chemistry and biological laboratories. The molded funnel has a 10 micron polyethylene fritted disc. Polypropylene filter funnel is designed for use with the CG-1049-J style glass vacuum adapter and a flask or vial. The CG-1049-J…

  • Cylindrical style addition funnel graduated with a double scale of numbers, one up from the stopcock and one down from the capacity line. With a standard taper top outer joint and lower inner joint, both being the same size, and pressure equalizing arm. Funnels with 14/20 and 19/22 joints are…

  • Buchner style filter funnel having a lower standard taper inner joint and serrated tubulation for connection to a vacuum source. Disc diameters and height above the disc are the same as CG-1402.

  • Cylindrical style addition funnel with a standard taper top outer joint and lower inner joint, both being the same size. With pressure equalizing arm and PTFE stopcock. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

  • Similar to CG-1402, but with the height above the disc increased by 33% for greater capacity. Not recommended for use where pressure would exceed 15 PSI.

  • Duran® heavy wall filtering flask has a unique removable PPN hose connection. Hose connection is secured to the flask via a silicone rubber seal. Bottle shape filter flask, PLASTIC COATED, with removable PPN hose connection. For replacement PPN hose connection sets see CG-1563.

  • Funnels, Powder

    Chemglass

    Useful for the introduction of solids or liquids into reactions under atmospheric conditions. Funnels have 60º side angle and a standard taper inner joint.

  • The 8" Eco Funnel is make of HDPE and has a 2000mL fluid capacity. Features an easy to use lid, gasket and positive latch to close the lid and maintain an airtight seal. A filter is also built into the interior to reduce the loss of magnetic stir bars and other items when emptying the contents…

  • Same as the standard 4" ECO Funnel, but with the addition of an HPLC waste hook adapter that connects to the side of the funnel eliminating the danger of dangling waste lines into bottles and containers.

  • Cylindrical style addition funnel similar to CG-1710, but with a PTFE stopcock. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.

  • Cylindrical style addition funnel with a PTFE adjustable bore metering plug. Turning the adjustment knob allows flow rate to be controlled from dropwise to full flow. For replacement stoppers see CG-3000.

  • Cylindrical style graduated addition funnel has a threaded, grease-free extended tip valve. Design of all PTFE plug permits semi-needle valve action. With a standard taper top outer joint and lower inner joint, both being the same size, and pressure equalizing arm. Funnels with 14/20 and 19/22…

  • Unique design of this addition funnel permits solutions to be prepared using a magnetic Stir Bar. Side arm has a 2mm high vacuum glass T-Bore stopcock having a S.S. constant pressure retension device for evacuation and purging of both the funnel and lower vessel. Lower valve is a 0-4mm…

  • Used in applications where it is necessary to wash and re-dissolve the precipitate with chemicals that would attack standard filter paper. The 60º angle on the funnel permits removal of precipitates.

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