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  • PYREX Solid Glass Beads


    3 to 6 mm in diameter Diameter tolerance is ±0.75 mm PYREX solid glass beads are useful for packing in distillation columns, mixing beads and boiling stones. Beads are packaged in 0.45 kg (1 lb) boxes, which have a packing volume of approximately 360 cm 3 or 22 cubic inches.

  • Fritted Filters Discs


    Porous discs for use in fabrication of special glass apparatus. Available in F, M, C and XC porosities. Pressure Limits: Fritted glassware is designed for low pressure vacuum filtration or gas flow. The MAX differential pressure should not exceed 15 PSI. Thermal Limits: Fritted glassware…

  • Glass Balls - Solid Soda Lime #3000

    Walter Stern

    One Pound Plastic Jars Chemical Resistant Glass Balls

  • Flask Head

    Ace Glass

    Standard interchangeable Mini-Lab head for use with 9448-05 thru -15, 9451 or 9456 Flasks. Top has 14/20 joints with the exception of top center joint which is 19/38, large center joint is 45/50. Side arms are placed at the proper angle so that the the

  • Inner Joint Hose Inlet Adapters

    DWK Life Sciences (Kimble)

    Ideal for use as a vent or for the introduction of pressure/vacuum. Inner Standard Taper joint at one end and vertical hose connection at the other Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

  • Distilling Column, Vacuum Jacketed


    Hemple style distilling column, vacuum jacketed to improve performance. Indentations on the inner tube support the packing material. All sizes have an I.D. of approximately 10mm.

  • Turntable Reactor, Photochemical

    Ace Glass

    Ace photochemical reactor turntable for the determination of relative and absolute quantum yields. Variable height disc holds 13mm OD sample tubes, 33 in outer circle, 18 inner. Unit will hold up to four 7891 series square filters. Complete unit includes motor and control, CE rated. Not included:…

  • Sublimation Apparatus, Vacuum

    Ace Glass

    A 50mm size for samples of approximately 25mL With a #50 O-Ring joint, unit measures 200 mm high x 50 mm diameter. The stopcock is positioned so that the bottom can be firmly clamped. Use clamp No. 7670-18. Order clamps separately. For Replacement O-Ring, see 7855-748.

  • Foam-Type Distillation Traps

    DWK Life Sciences (Kimble)

    Placed above a boiling flask to prevent foaming-type reactions from entering either the distilling column or the condenser. Useful with rotary evaporators 517000 features a more extensive baffle system than other traps Manufactured from 33 expansion, low extractable borosilicate glass…

  • Synthware Distilling Adapters, 105°

    Kemtech America

    Synthware distillation adapter with sealed in drip tip. Adapter is bent at 105 degrees. Standard taper top outer joint and lower inner joints. 

  • Borosilicate Glass Stir Rods

    GSC International, Inc.

    Borosilicate Glass with Fire Polished Ends

  • Adapters, Flow Control, Glass Stopcock


    Used to regulate the flow of gases or liquids into reaction systems. Stopcock has a bore of 2mm and is supplied complete with a CG-423 retaining clip. Hose connection has an O.D. of 8mm at the middle serration.

  • Solvent Reservoirs, Plastic Coated


    Reservoirs used for storing high performance, low pressure liquid chromatography mobile phase. Complete reservoir system includes a plastic coated graduated bottle, a standard cap assembly, and solvent and sparging filters. Cap assembly fits GL45 threaded bottles and has a PTFE bulkhead with three…

  • Distilling Column, Water Jacketed


    Jacketed distilling column has indentations on the inner tube to support packing material. The jacket allows the column to be used as a condenser. Column has a top outer and lower inner standard taper joint. All sizes have an I.D. of approximately 10mm.

  • Short Path Distillation Head

    United Scientific Supplies

    Short Path Distillation Head with 24/40 flask joints and 10/30 thermometer port. Distillation head is manufactured from high quality 3.3 borosilicate glass and features a condenser coil and three 1/4" hose nozzles, two for condenser and one for vacuum.

  • Adapters, Connecting, Inlet, Airfree®, Schlenk


    Adapter has a #15 o-ring joint with a 0-4mm 1-Arm Chem-Vac™ Chem-Cap® valve. Side arm is 9mm OD medium wall tubing for use with 3/8" Cajon® connections. Approx overall height is 100mm. Each adapter is supplied complete with one #116 Viton o-ring.

  • Glass Inlet or Outlet Adapters


    JULABO Reaction Solutions heavy walled glass inlet / outlet adapters with standard taper ground glass joints and 90° 3/8" single or dual glass hose barbs. For connections to glass apparatus to supply vacuum, pressure, venting or gas supply.

  • Scienceware® PTFE Sleeve Gaskets

    Bel-Art - SP Scienceware

    For standard taper joints Knurled gripping-ring at top, which allows quick, simple removal from joint Easily cleaned For use with full or medium joints Three gaskets per package. Joint size given in listings below.

  • SYNTHWARE Drying Tube, 90 Degree

    Kemtech America

    Drying Tube, 90 degree, Synthware, Joint: 14/10.

  • HVS Standard Taper Outer Joints with Viton® O-Ring

    Wilmad-LabGlass - SP Scienceware

    Used in laboratory equipment and instruments, these Standard Taper high vacuum outer joints are made of borosilicate glass and have a channel above the ground zone to accept the O-ring placed on an inner joint. May be used without O-ring as a standard medium length outer joint.

  • Solvent Distillation Apparatus, Airfree®, Schlenk


    Apparatus for use in distillation of material such as THF or ether. Storage reservoir has a capacity of 125mL or 500mL. Extremely efficient cold finger coil condenser has a section that is immersed into the distillate. This assures that the distillate is at room temperature instead of the…

  • Distilling Receivers


    Graduated distilling receiver with a standard taper outer joint on top and a standard taper lower drip joint. Stopcocks are either a 2mm or 4mm PTFE. Distance between the receiver and the uptake arm: 10 and 20mL are 100mm center to center; the 50, 100 and 250mL are 150mm center to center.

  • SYNTHWARE Short Path Vacuum Jacketed Distillation Apparatus

    Kemtech America

    Vacuum jacketed design for more efficiency. When a thermometer is inserted in the top of this apparatus, the bulb and stem serve as column packing. The close coupled condenser and vacuum connection offer and extremely short condensate travel path. Used with 25mm immersion thermometer, and D27…

  • Synthware Rotary Evaporator Vapor Ducts

    Kemtech America

    Synthware rotary evaporator vapor duct. Precision ground and polished. Meet manufacturer's standards. With standard taper inner joint.

  • Adapter, Thermometer, PTFE

    Ace Glass

    PTFE adapter with FETFE O-Ring for use with plain stem thermometers, gas inlet tubes, etc. O-Ring compression seal allows adjustable depth positioning. 10/18 size will accommodate tubes up to 6.5mm, all other sizes up to 7mm. All sizes have one internal O-ring size -108. Except for 10/18 size, all…

  • Adapters, Inlet, Inner Joint, Straight


    Allows PTFE tubing to be connected to appartus for introduction of vacuum or pressure. 1/2" OD ground swagelock is designed for use with a standard 1/2" TFE, PFA, or polypropylene compression fitting.

  • Distilling Column, Vigreux


    Vigreux style column with indentations that run the entire length of the column for improved vapor-liquid contact. Column length refers to the effective length, measured from the lowest to highest indent in the column. Column has a top outer and lower inner standard taper joint.

  • Adapters, Splash Guard, with Fritted Disc


    Similar to CG-1041, but with the addition of an Extra Coarse fritted disc between the lower inner and top outer joint.

  • Synthware Inlet Adapters

    Kemtech America

    Synthware inlet adapter with a standard taper inner joint. Design allows introduction of reactants below the surface. The serrated hose connections have an O.D. of 10 mm.

  • NMR Tube, Cleaner, Morris


    The Morris NMR tube cleaner is an inexpensive, durable apparatus which will clean 5 or 10mm NMR tubes with as little as 10mL of solvent in one easy operation. Cleaner does not require a stopper on the NMR tube and does not have a fragile side arm. Complete item is supplied with a NMR tube washer,…

  • Distilling Head, Short Path, Improved


    Similar to CG-1239, but with the condenser being a combination of a cold coil and Liebig. Water flows into hose connection “A” through the coil and exits the outer jacket through hose connection “B”. Head is excellent for use when distilling medium to high boiling point…

  • Adapters, PTFE, Thermocouple


    PTFE adapter for use with either 1/8"; or 1/4"; thermocouples. Adapter has an outer Viton® o-ring to form a grease-free, airtight seal between the adapter and the listed size of outer joint. The compression nut works in conjunction with the upper Viton® to provide a airtight seal…

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