Chemglass Lab Glassware
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Adapters, Flow Control, Glass Stopcock
ChemglassUsed 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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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…
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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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Plate Glass, Square, Borosilicate
ChemglassPyrex® or Duran® borosilicate plate glass. The 1/16in, 1/8in and 1/4in thick plates have edges that are cut and swiped. The 1/2in thick and over have ground edges.
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Distilling Heads
ChemglassSimple distillation head with a condenser sealed to the adapter at a 75º angle. The top outer joint on the 14/20 size can be converted to a 10/18 thermometer joint by using a CG-1016-27 bushing adapter. The sidearm is sealed at a height for use with a 1” immersion thermometer. The 24/40…
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Adapters, Distillation
ChemglassWith standard taper outer joint at the top, and inner joints on the bottom and sidearm, all being the same size. Inner joints are at a 75º angle to one another.
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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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Bidwell-Sterling type receiver used to determine the moisture in foods and organics. Made to ASTM specification E123. Also conforms with many methods of American Oil Chemists Society.
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Replacement flange compatible with Buchi condensers and rotary evaporator flasks.
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Barrett style distilling receiver used to determine the water content in petroleum or bituminous material. Receiver is made according to ASTM specifications, with the addition of the top outer standard taper joint and lower stopcock. Available with glass or PTFE stopcocks.
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Pressure Vessel, Heavy Wall
ChemglassHeavy wall pressure vessels have an internal thread for use with PTFE bushings as pressure seals. The unique design allows hand tightening and loosing for easy access into the vessel. O-ring is positioned on the bushing above the thread for improved sealing. Vessels are useful for pressure…
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Arsine Generators, Improved
ChemglassFor arsine analysis using the diethyldithicarbamate (SDDC) colorimetric method. Design also meets specifications of ACS/USP, EPA and can be used with APHA Standard 104A. Apparatus is compact, requires less set-up time and eliminates the ball and socket connection normally used. Complete item…
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Distilling Bulb, Kugelrohr
ChemglassKugelrohr bulbs having 14/20 standard taper joints on both ends to connect to other bulbs or single neck round bottom flasks. CG-1012-14 adapter permits connection of Kugelrohr assembly to vacuum. For single neck 14/20 flasks see CG-1506.
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Standard taper outer joint tooled on the same size tubing as the CG-100 inner joints. All CG-102 outer joints are supplied standard with rings, but are available tooled without rings on a special order basis.
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Midget Impingers, Graduated
ChemglassMicro midget impinger designed for sampling of small volumes of air at low jet velocity, as per EPA Method 6. Impinger bottle is graduated from 5 to 30ml in 5ml subdivisions. Both the bottle and stopper have 24/40 standard taper joints. The orifice at the impinger tip is 1mm, passing 0.09 to 0.11…
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Ground Joints, Inner, with Drip Tips
ChemglassFull or medium length standard taper inner joint having a drip tip. Joints are available uncut or with the drip tip being cut at a 45° angle. Tooled on the same tubing sizes as the CG-100 inner joints.
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Adapters, Connecting, Airfree®, Schlenk
ChemglassConverts standard flasks and other apparatus to Airfree®; applications. With top outer and lower inner standard taper joints, both being the same size. Available with a choice of a 2mm high vacuum glass stopcock having a S.S. constant pressure retention device or a 0-4mm Chem-Cap®…
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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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Adapter, Distilling
ChemglassAdapter is used to connect distilling column with vertical condensers. With standard taper outer joint at the top for use with 10/18 or 10/30 jointed thermometers. Both lower inner joints are the same size. Side arm is at a 75º angle to the vertical tube. For thermometers see CG-3506-N.
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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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Adapters, Vacuum Filtration
ChemglassChemistry filter adapter is used for reduced pressure filtration with plain stem buchner funnels. Top has a HEAVY DUTY tooled flare to accept the listed size pluro stopper. Hose connection is 10mm OD at the largest serration. ADAPTER IS NOT SUPPLIED WITH RUBBER PLURO STOPPER. CG-1052-A-14 Accepts…
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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, 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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Distilling Head, Short Path, Jacketed
ChemglassSimilar to CG-1239 but vacuum jacketed to improve efficiency. Available with Vigreux indentations in uptake tube to further increase the performance of the head. NOTE: The 14/20 size accepts a 1” immersion 7/12 or 10/18 thermometer, while the 24/40 and 29/42 sizes accept a 2”…
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Special S-40 size ball and sockets compatible with Buchi rotary evaporator components. Both the ball and socket are tooled on Duran 34 mm O.D. x 2.8mm wall tubing.
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Adapters, PTFE, Bellows
ChemglassAdapter is constructed completely of PTFE and is ideal for eliminating stress between standard joints. Can be bent up to 120º. Top outer and lower inner are of the same size.
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Adapters, Inlet, Inner Joint, 90°
ChemglassAllows introduction of reactants below the interior surface. Hose connection has a O.D. of 10mm at the largest serration and is bent downward at a 90º angle to the inner joint.
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Used to purify and transfer solvents under inert conditions. Permits transfer of solvents directly into an evacuated storage vessel with 24/40 standard taper outer joints. A 0-4mm Chem-Vac™ Chem-Cap® valve is used for vacuum control.
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A 0-12mm Chem-Vac™ Chem-Cap® valve having an o-ring joint for connection to the right hand side of AF-0300-03 vacuum manifold. Adapter is available for #15, #25, and #30 o-ring joints. Complete gauge consists of a glass portion, a S.S. bushing drilled and tapped for 1/8 " NPT…
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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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Similar to CG-1258 but with the addition of an overflow tube between the uptake tube and the graduated receiver.
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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…