Chemglass Laboratory Funnels
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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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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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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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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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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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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 PTFE stopper. See CG-3020-A for replacement stoppers.
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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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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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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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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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Disposable Cone Shaped Filter Funnels
ChemglassDisposable 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…
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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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Eco Funnels, 8 Inch, Assembled
ChemglassSimilar to CG-1759-01 except preassembled prior to shipment.
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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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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-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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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, Outer Joints
ChemglassPowder funnel is useful for the introduction of solids or liquids into reactions under atmospheric conditions. Funnels have 60° side angle and a standard taper outer 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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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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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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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…
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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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Similar to AF-0542 but with the top having a standard taper inner joint instead of the outer joint. Available with a choice of a 2mm high vacuum glass stopcock having a S.S. constant pressure retaining device or a 0-4mm Chem-Cap® Airfree® inlet valve.
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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 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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Fritted filter funnel has a choice of coarse or medium porosity fritted disc. Lower 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. Capacity listed is that above the fritted disc.…