Chemglass Glass Joints & Adapters
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Adapters, Inert Gas, Inner Joint
ChemglassAdapter has two hose connections 180° from one another to permit a flow of inert gas over the apparatus. Hose connection has an O.D. of 10mm at the largest serration.
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Similar to the AF-0072 adapter, but with two #15 o-ring joints. Available in 0-4mm, 0-8mm or 0-12mm valve sizes. Each adapter is supplied complete with (2) #116 Viton o-rings.
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Single stage oil diffusion pump useful with manifolds such as AF-0450 through AF-0454. Will provide vacuum of 10 -5 torr, at a pumping rate of approx 8L/sec. Instead of the typical internal heating coil, boiler has a round bottom for use with CG-10000-02 or CG-12000-02 100mL heating mantle. Use of…
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Distilling Receiver, Complete
ChemglassCow type design has three receivers 45° apart. Condensers with lower drip tip inner joints will protrude into the spherical section, permitting the distillate to fall directly into the receiving flasks. Distribution adapter has a serrated connection for attachment to vacuum source. Complete…
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Joints, O-Ring Seal
ChemglassJoint has an o-ring groove to accept the listed o-ring size. Provides for a grease-free, vacuum seal when used with CG-150 clamps. Each joint is supplied with a Viton o-ring of the listed size.
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Used in the filtration and recrystallization of highly sensitive materials. Filter tube has 14/20 standard taper inner joints at both ends along with a 14/20 outer joint for the connection to the 90º adapter. Isolation valve is supplied with a CG-961-01 0-4mm Chem-Vac™ Chem-Cap®…
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Lower Reservoirs, Gas Scrubbers
Chemglass3L 5-Neck heavy wall, round bottom flask lower reservoir for gas scrubber. Flask has a 60mm Duran Flange center neck, 2ea 45/50 outer joints, and 2ea 24/40 outer joints. Drain valve is a 0-14mm with Perfluoro o-rings. Valve is offset from the bottom of the flask to permit solids to settle and…
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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.
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Spherical Joints, O-Ring Ball Members
ChemglassBall joint with a Viton o-ring fitted into a groove tooled at the midpoint of the grind. Provides for a flexible, vacuum tight seal when used with CG-121-P polished socket joints. Supplied complete with one Viton o-ring of the listed size.
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Adapters, Inlet, Airfree®, Schlenk
ChemglassGas inlet adapter with a 2mm glass stopcock having a constant pressure retention device. Available with a choice of inner or outer standard taper joint. Top arm is 9mm O.D. medium wall tubing for use with CG-3022 septum. Overall height of the 14/20 size is approx. 95mm while the 24/40 is approx. 120mm.
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Removable TFE Delivery Stems
ChemglassRemovable TFE delivery stem virtually eliminates the breakage normally associated with standard glass stem stopcocks. Made entirely of TFE, the stem attaches directly to the glass thread without o-rings or other gaskets. Glassware equipped with this stem can survive repeated forceful strikes to the…
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Adapter, Thermometer, 10° Offset
ChemglassAdapter has a 10/30 outer joint at the top for use with CG-3506 thermometers. When used with vertical side neck flasks, thermometers can be angled into the bottom of the flask. FOR THERMOMETERS SEE CG-3506-N.
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Ground Joints, Inner, Luer
ChemglassInner joint manufactured to the same specifications found on medical and research syringes. Complies with Federal Specification CG-S-921b and USAST Standard Z70.1. Available tooled on three tubing sizes with the inner diameter being 1mm through the tip of the joint on all three sizes.
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This innovative and compact Dean-Stark receiver is designed for azeotropic distillations using solvents that are heavier than water. The solvent vapor travels through tube “A” to a condenser inserted in the top standard taper outer joint. Vapors are condensed and collected in the…
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Similar to CG-1041, but with the addition of an Extra Coarse fritted disc between the lower inner and top outer joint.
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Drying Apparatus, Abderhalden, Modified
ChemglassModified Abderhalden drying apparatus with a 57mm flat o-ring connection between the desiccant flask and the drying chamber to permit easy sample removal after drying. The drying chamber has an I.D. of 2” and is 8” long. The desiccant flask has a 4mm glass stopcock and a serrated…
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Distilling Column, Vigreux
ChemglassVigreux 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.
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Heavy wall column, 4.5" long having a sidearm with a 24/40 outer joint. The 24/40 outer joint can be used with an adapter for connection to vacuum source. Adapter has an overall width of 7".
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Adapters, Vacuum Take-Off, Vertical
ChemglassWith standard taper top outer and lower inner joints with sealed in drip tip. Serrated hose connection has an O.D. of 10mm at the largest serration for connection to vacuum source.
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Adapters, Connecting, Combination
ChemglassWith top spherical socket joint and lower standard taper inner joint.
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Adapters, Bushing
ChemglassBushing style adapter having a lower standard taper inner joint and outer joint ground in the bore of the adapter. Adapters having a 10/18 or 10/30 outer member in the bore are used to insert thermometers into apparatus.
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Dome style lid for construction of single or multiple neck reaction kettle heads. Mating surface is ground. Outer taper of flange is formed at a 45° angle to accept the CG-141 stainless steel clamps.
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Similar to CG-170, but with a drip tip cut at a 45° angle.
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Bubblers, Modified, Airfree®, Schlenk
ChemglassUsed to monitor gas flow to reactions while providing a vent to the atmosphere. Reservoir head prevents oil from being sucked back into the system. Standard taper inner joint is for use in single or multi-neck flasks. Hose connection has a 9mm OD middle serration. The 24/40 jointed bubbler is…
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Adapter used for reduced pressure filtrations using plain stem buchner funnels. Stopcock permits control of vacuum source. Top of adapter is tooled to accept the listed size of pluro-stopper. NOTE: ADAPTER IS NOT SUPPLIED WITH RUBBER PLURO-STOPPER, SEE CG-1401
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Bubblers, Adjustable, Airfree®, Schlenk
ChemglassBubbler has an adjustable inner tube with a #9 Chem-Thread. Taper at bottom of reservoir allows for use of a minimal amount of oil. Complete bubbler consists of the lower reservoir, adjustable inner tube, compression cap and Viton o-ring.
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Adapters, PTFE, Thermocouple
ChemglassPTFE 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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Adapters, Vacuum Take-Off, Long Stems
ChemglassWith standard taper top outer and lower inner joints with sealed in lower tube extending below inner joint. Tubing extends 100mm below the joint on the 14/20 and 19/22 sizes and 200mm on the 24/40, 29/26 and 29/42 sizes. Serrated hose connection having an O.D. of 10mm at the largest serration for…
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Adapters, Inlet, Inner Joint, 90°
ChemglassAllows PTFE tubing to be connected to apparatus 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.