Funnels

Compare Tool

Select up to 3 products

1 - 32 of 66
Sort
View
Show
  • 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…

  • 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.

  • 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…

  • 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.

  • 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. Improved design incorporates a delivery stem being sealed within the inner joint to prevent breakage.…

  • 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.

  • 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.

  • 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…

  • The 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…

  • 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…

  • Cylindrical 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…

  • 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.

  • 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.

  • 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…

  • 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.

  • Similar to CG-1759-01 except preassembled prior to shipment.

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

  • 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.

  • Unbreakable, polypropylene solvent addition funnels useful for chromatography columns. The unique closed-end design facilitates gentle addition of solvent to the column. Perforated funnel stem permits solvent to pour down the column wall without disturbing the top layer of silica gel. Convenient…

  • Design 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…

  • Similar 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.

  • Funnels, Powder

    Chemglass

    Useful 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.

  • 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 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.

  • 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…

  • 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…

  • 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.

  • Squibb style separatory funnel with a PTFE stopcock. Not supplied with stopper. For stoppers see CG-3000. Stopcock bore on all sizes is 2mm.

  • Powder 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.

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

  • 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.

Compare Tool

Select up to 3 products