Chemglass Laboratory Funnels
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Funnels, Process Reactors
ChemglassFeatures: 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…
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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…
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European squibb style separatory funnel with a PTFE stopcock. Supplied complete with a glass stopper of the listed size. For replacement stoppers see CG-3000.
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Support Assemblies, 47mm, Fritted, 40/35
ChemglassGlassware system for vacuum filtration using 47mm membranes. This assembly uses a standard taper 40/35 joint to connect the support base to the filtering flask, eliminating the possiblility of phthalate contamination from rubber stoppers. Recommended for filtering corrosive solutions, particulate…
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Funnels, Powder, Modified
ChemglassSimilar to CG-1720, but with one side flattened to allow funnel to be used in multi-neck flasks where space is limited. Flat side dimension is the distance between the center of the standard taper inner joint and the flattened side of the funnel. Funnels have 60º angled sides with a standard…
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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 silica gel/polyethylene fritted disc, a CG-1049-J style glass vacuum adapter, and a flask or vial. The…
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Squibb style separatory funnel with a PTFE stopcock. Supplied complete with a flask length PTFE stopper. See CG-3020-A for replacement stoppers.
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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.
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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.
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Support Assemblies, 47mm, Fritted
ChemglassGlassware 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…
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Large capacity globe shaped separatory funnel with a choice of glass or PTFE stopcock. Stem length is approx. 130mm below the stopcock on all sizes. For replacement stoppers see CG-3018 for #38, CG-3000 for 45/50.
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Buchner Filter Funnels
ChemglassFunnel 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…
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Funnels, Powder Addition
ChemglassFacilitates 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…
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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…
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Similar to CG-1742, but with the plain lower stem replaced by an inner standard taper joint of the listed size having a sealed in drip tip. Supplied complete with one listed size flask length stopper.
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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.
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Cylindrical style addition funnel similar to CG-1716, but with PTFE stopcocks. Funnels with 14/20 and 19/22 joints are supplied complete with a stopper. For replacement stoppers see CG-3000.
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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.
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Funnels, Addition, PTFE Stopcocks
ChemglassCylindrical 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.
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Filter Funnels, Pressure
ChemglassFor 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…
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Funnels, Addition, PTFE Stopcocks
ChemglassCylindrical shape addition funnel with PTFE stopcocks. For replacement stoppers see CG-3000.
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Funnels, Powder
ChemglassUseful for the introduction of solids or liquids into reactions under atmospheric conditions. Funnel has steep sides to permit free-flow of solid materials. With standard taper inner joint.
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Funnels, Addition, Glass Stopcocks
ChemglassCylindrical 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.
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Eco Funnels, 4 Inch
ChemglassThe 4" Eco Funnel is made of HDPE and has a 450mL 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…
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Similar to CG-1728, but graduated with a double scale of numbers, one up from the stopcock and one down from the capacity line. Supplied complete with listed size stopper. For replacement stoppers see CG-3018. Dimensions are the same as CG-1726.
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Buchner Funnels, Perforated Plates
ChemglassBuchner funnels having a perforated plate rather than a fritted disc. Funnels accept filter paper size as listed.
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Funnels, Powder, PTFE
ChemglassPTFE powder funnel is totally chemically inert with super smooth non-stick internal finish.
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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.
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Funnels, Vials, PTFE
ChemglassFunnel 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.
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This unique separatory funnel is manufactured with a removable PTFE stem that virtually eliminates breakage normally associated with standard glass stem stopcocks. Made entirely of PTFE, the stem attaches directly to the glass stopcockwithout o-rings or other gaskets. Glassware equipped with…
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Filter Apparatus
ChemglassUseful 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.