Chemglass Funnels
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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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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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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…
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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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Used in the preparation of block copolymers or any chemical synthesis requiring high vacuum techniques. Funnel features a large diameter ring seal between the coolant container and the addition funnel body thereby reducing stress and permitting for use of a wide range of coolants, from ice-water to…
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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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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, Powder, PTFE
ChemglassPTFE powder funnel is totally chemically inert with super smooth non-stick internal finish.
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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, 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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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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Filter Funnels, Jacketed
ChemglassSimilar to CG-1402 but with a water jacket enclosing the funnel bowl and upper portion of the stem. Jacket permits heating or cooling of the contents of the funnel during filtration. Stem length listed is the length below the jacket.
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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 diatomaceous earth/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. Not supplied with stopper. For stoppers see CG-3000. Stopcock bore on all sizes is 2mm.
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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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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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Pressure equalizing addition funnel, with Graduations, and a glass T-Bore stopcock in the equalizing arm permitting the purging and isolation of the funnel contents for storage. Both top outer and lower inner joints are the same size. Lower stopcock is a glass straight bore stopcock. Both stopcocks…
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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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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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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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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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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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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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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.
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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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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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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, Addition, PTFE Stopcocks
ChemglassCylindrical shape addition funnel with PTFE stopcocks. For replacement stoppers see CG-3000.
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Eco Funnels, 8 Inch, Assembled
ChemglassSimilar to CG-1759-01 except preassembled prior to shipment.
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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.