Chemglass Lab Glassware
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Distilling Head, Vigreux, Jacketed
ChemglassJacketed fractionation distilling head for use under vacuum. The 10/18 top outer joint is for a 1” immersion thermometer while the 10/30 joints are for a 2” immersion thermometer. The 24/40 joint size uses 4mm glass or PTFE stopcocks, and are positioned to permit changing of receiver…
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Adapters, Connecting, Airfree®, Schlenk
ChemglassA 3-way adapter for the connection of 3 vessels with two top outer joints and a lower inner joint, all being the same size.
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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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Drying Tube, "U" Shaped
Chemglass"U" shaped drying tube supplied complete with rubber stopper, glass inlet tube, and a lower inner joint.
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Drying Chambers, Airfree®, Schlenk
ChemglassChamber for use in drying small quantities of material in dram vials. Can also be used in the transfer of materials from glovebox to glovebox or to the vacuum line. Lower vessel has a flat bottom permitting it to be stood upright on the bench or in a glovebox. Top adapter has a 0-4mm…
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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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Adapters, Thermometer, Inlet
ChemglassAdapter has a tubulation at the top for use with a CG-1040 rubber fitting. Fitting permits insertion of plain stem thermometers or bleed tubes. Supplied complete with one CG-1040 rubber fitting.
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Race Tubes, Glass Only
ChemglassRace tubes are used to measure basal hyphal linear growth as well as circadian conidial banding in the filamentous ascomycete Neurospora crassa. PLEASE NOTE: TUBES ARE SOLD GLASS ONLY.
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Standard taper inner joint to sanitary fitting adapter. Provides a convenient way to connect sanitary fittings and adapters to Chemglass reaction systems. Approximate overall length is 4&"; (102mm). NOTE: Clamp and Seals Must Be Purchased Separately.
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Adapters, Inlet, Inner Joint, Straight
ChemglassAllows 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.
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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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Adapter, Connecting
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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Specialty Joints
ChemglassStandard taper inner and outer lengths tooled on longer lengths or different sizes than normally available under part numbers CG-100 through CG-105. These joints offer the glassblower the opportunity to construct apparatus made of heavier tubing or without unnecessary seals.
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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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Similar to CG-1241 but with the Vigreux column vacuum jacketed to improve distillation performance.
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Bubbler, In-Line, Airfree®, Schlenk
ChemglassUsed to monitor gas flow to reactions while providing a vent to the atmosphere. Bubbler has a "T" connection at the top to allow it to be mounted in-line while the reservoir head prevents oil from being sucked back into the system. Volume below the sidearm is approx 40mL. Bubbler has 8mm…
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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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Used to regulate the flow of gases or liquids into reaction systems. Stopcock has a bore of 2mm. Hose connection has an O.D. of 8mm at the middle serration with the exception of CG-1030-45 which has an O.D. of 14mm.
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Adapters, Female Luer Locks, Vacuum
ChemglassAdapter has a 1/4” -28 thread that accepts a female luer lock adapter which provides a convenient way to connect solid phase extraction (SPE) cartridges, tubes, or syringes with a male luer lock fitting to a standard male taper inner joint. The adapter provides for easier sample concentration…
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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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Similar in design to AF-0720 but without delivery adapter. Lower 3-way valve has been replaced with a single 0-4mm Chem-Vac™; Chem-Cap®; valve for draining distillate back into the flask. The uptake tube has one row of vigreux indentations, while the 14/20 top outer joint has been…
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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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Adapters, Connecting, Straight
ChemglassUsed to expand the length of apparatus. Adapter can also be used as an air condenser. With standard taper top outer and lower inner joint.
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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-1258 but with the addition of an overflow tube between the uptake tube and the graduated receiver.
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NMR Tube Cleaner, 5-Position
ChemglassAll glass and PTFE design cleans five NMR tubes of the same, or various, lengths and diameters. PTFE adapter has five positions with flexible 1/8 " PTFE tubing supplied in 9 " lengths that can be cut to desired height. The NMR tube is placed over the tubing and seats in the adapter,…
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Distilling/Splitting Adapter, Angled
ChemglassCompact and simple distilling/splitter adapter for use with Chemglass process reactors lids that have a 10° angled side neck (CG-1946-B). Vapor flows upward freely through the large vapors holes to the condenser. Distillate flow is directed using the valve to either the receiving flask or back…
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Cajon® adapters provide the flexibility of rubber tubing and are the ideal replacement for rubber, plastic, or glass tubing in critical vacuum applications. Connections compensate for misalignment, expansion and contraction; they are compressible by at least 20%, and they are extendable by 50%…
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Gas Dispersion Tube, Fritted
ChemglassHollow fritted cylinder at the end of an 8mm O.D. tube. Cylinder is approximately 12mm O.D. x 20mm long. Overall length is approximately 10 inches.