Chemglass Lab Glassware
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Adapters, Distilling Trap, Kjeldahl
ChemglassSimilar to CG-1032, but with joints of non-similar sizes at the upper and lower portion of the adapter. Dimensions are the same as the CG-1032.
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Adapters, PTFE, Thermometer, Inlet
ChemglassMade entirely of PTFE, adapter has an inner joint of the listed size. The compression nut allows for vertical adjustment of thermometers or bleed tubes having an O.D. between 6 and 7mm. Supplied complete with one #108 Viton o-ring.
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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.
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Modified Dean-Stark trap allows for more efficient cooling and separation of the azeotrope during distillation. Graduated from 0 to 10ml in 0.2mL subdivisions. **Design suggested by Dr. Craig Merlic, University of California, Los Angeles, California
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Distillation Receivers
ChemglassRadial style distillation receiver allows four flasks to be progressively filled. Upper vacuum adapter is bent at a 105º angle. Complete item consists of a vacuum adapter, distribution adapter, four of the listed size flasks with hooks and ten CG-110 stainless steel springs.
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Adapters, pH Probes
ChemglassAdapter permits CG-1872 series pH electrode (12mm OD) to be inserted either directly into smaller reactors or down through a CG-1872-B baffle. CG-1872-A-01 compression 24/40 joint adapters are to be used with the CG-1872-01 and CG-1872-02 electrodes/probes. The adapter allows use of these probes…
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Micro round bottom flask with a 14/10 threaded outer joint. Supplied complete with an open-top screw cap (MW-102-33) and Viton O-ring (MW-100-08).
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Adapters, Distillation, 105°
ChemglassDistillation adapter with sealed in lower drip tip and top outer joints, both being the same size.
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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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Adapters, Vacuum Take-Off, 105°
ChemglassWith standard taper top outer and lower inner joints with sealed in drip tip. Adapter is bent at a 105° angle for use in vacuum distillation. Serrated hose connection has an O.D. of 10mm at the largest serration for connection to vacuum source.
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Adapters, Connecting, Luer Outer
ChemglassAdapter has a luer outer on top and a lower standard taper inner joint.
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Adapters, Hose, Airfree®, Schlenk
ChemglassAdapters for use with manifolds such as AF-0450 through AF-0454 to permit port connection to standard rubber hose. Adapters have hooks just below the grind for use with CG-110 stainless steel springs. The 24/40 size is available with a constriction above the serrated hose connection to permit bowl…
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Solvent Reservoirs, Plastic Coated
ChemglassReservoirs 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…
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Adapter, Gas Inlet, Hose Connection
ChemglassGas inlet adapter with a tube extending 200mm below the inner joint. Permits gas to be introduced at the bottom of larger reaction vessels or flasks. With serrated hose connection having an O.D. of 10mm at the largest serration.
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Dean-Stark receiver used for determining the water content of various materials. Can be used with ASTM Method D-95 along with similar ASTM methods. The 10mL size has subdivisions of 0.1 from 0 to 2mL, and 0.2 from 2 to 10mL. The 25mL size has subdivisions of 0.1 from 0 to 2mL and 0.2 from 2 to 25mL.
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Similar to CG-1241 but with the Vigreux column vacuum jacketed to improve distillation performance.
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Adapter, Powder Transfer, PTFE, Vial
ChemglassAdapters simplify the transfer of powders/solids from flasks into vials. PTFE adapters have a knurled gripping ring at the top to facilitate removal of the adapter from the flask joint. Adapters are available to accommodate sample vials (GPI threads) and scintillation vials (22mm threads). Allows…
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Distilling Column, Vacuum Jacketed
ChemglassHemple 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.
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Distilling Receiver, Graduated
ChemglassCow type reciever has a single standard taper outer joint at the top. The four lower graduated receiver tubes can be accessed via a syringe for product recovery. Tubes are graduated from 0 to 3mL in 0.2mL subdivisions.
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Adapters, Splash Guard
ChemglassAdapter with a choice of full or medium length joints & when placed between the distilling flask & columm prevents splash-ups. Overall height is minimal to aid in effective distillation.
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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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Adapters, Distillation, 75°
ChemglassAdapter has a #7 Chem-Thread at the top for vacuum tight seal of plain stem thermometers. With the same size inner joints on the bottom and sidearm at a 75º angle to one another. Supplied complete with a compression cap and Viton o-ring. FOR THERMOMETERS SEE CG-3503.
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Ground Joints, Outers, with Hooks
ChemglassOuter joint with two hooks 180°; apart just below the grind.
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Bubbler, 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. Volume below the sidearm is approx 40mL. Bubbler has an 8mm OD top and side tubulations.
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Adapters, Flow Control, PTFE Stopcock
ChemglassUsed to regulate the flow of gases or liquids into reaction systems. PTFE stopcock has a bore of 2mm. Hose connection has an O.D. of 8mm at the middle serration.
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Distillation Head, Vigruex, Jacketed
ChemglassVacuum jacketed Vigreux distillation head having a sealed on condenser, braced for strength. The top outer joint is for a 1” immersion 10/18 or 10/30 thermometer. Vacuum adapter has an inner joint and a sealed in drip tip. Condenser length is 100mm on the 14/20 size and 200mm on the 24/40 and…
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Adapters, Universal, Inlet
ChemglassAdapter has the listed size of Chem-Thread at the top for a vacuum tight seal of a variety of tubing diameters. Will accept glass, metal or heavy wall plastic tubes having diameters between 7 to 18mm O.D. such as thermometer wells, gas dispersion tubes, plain stem funnels, etc. Adapters are…
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Adapters, Flushing, Airfree®, Schlenk
ChemglassAdapter allows vessels to be flushed with inert gas while sampling directly thru the bore of the T-Bore stopcock. Available with a choice of a 4mm high vacuum glass stopcock having a S.S. constant pressure retention device or a 4mm PTFE stopcock. Both the glass and PTFE stopcock have 9mm OD medium…
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Modified Dean-Stark receiver designed for solvents that are either lighter or heavier than water. The lower three-way PTFE stopcock allows for the withdraw or return of the distillate during the distillation process. With a 10/30 outer joint on the top of the vapor tube for a 3” immersion…