Chemglass Funnels
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Funnels, Powder
ChemglassUseful for the introduction of solids or liquids into reactions under atmospheric conditions. Funnels have 60º side angle and a standard taper inner joint.
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Squibb style separatory funnel with a glass stopcock. Supplied complete with a flask length stopper of the listed size. For replacement stoppers see CG-3018.
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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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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.
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Squibb shaped separatory blank complete with tooled and finished ground stopper neck top. Lower portion of blank is unfinished and requires a stopcock to be sealed. NOTE: SUPPLIED WITHOUT STOPPER.
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Filter Funnels, Hirsh
ChemglassUsed 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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Funnels, Solvent Addition
ChemglassDesign of funnel permits addition of solvents to flash chromatography columns without disturbing the silica-gel / packing layer. Lower end of the funnel is closed and the stem has a series of small holes through which the solvent drains. Top of the funnel is 75mm (3in) in diameter with the stem…
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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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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…
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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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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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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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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.
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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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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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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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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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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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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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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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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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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.
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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 shape addition funnel with PTFE stopcocks. For replacement stoppers see CG-3000.
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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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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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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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Funnels, Addition, Airfree®, Schlenk
ChemglassLower outlet is a standard taper inner joint and has a CG-961-01 0-4mm Chem-Vac™ Chem-Cap® valve. Top outer joint is the same size as the lower inner joint. Available with a choice of a 2mm high vacuum glass stopcock having a S.S. constant pressure retaining device or a 0-4mm…
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Funnels, Addition, Threaded Valves
ChemglassCylindrical style addition funnel with 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 joints are…
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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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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.