Chemglass Glass Joints & Adapters
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Adapters, Connecting, Reducing
ChemglassUsed to connect dissimilar standard taper joint sizes. Lower inner joint is larger in size than the top outer 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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Adapters, Vacuum, Threaded
ChemglassAdapters are used for filtration directly into vials. There are three top configurations, with the bottom of all adapters having a 20-400 GPI thread for connection to vials using a CG-1318 Threaded Connector. Design incorporates a drip tube sealed within thread to prevent breakage and are supplied…
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Adapters, Claisen, Modified
ChemglassClaisen style adapter with an additional standard taper outer joint at a 45° angle to the vertical outer joint.
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PTFE adapter for use with either 1/8"; or 1/4"; thermocouples. Adapter has an outer Perfluoro 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 Perfluoro o-ring to provide a airtight…
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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.
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Adapter, Inlet, Bleed Tubes
ChemglassFor the introduction of gases or liquids during reactions. Bleed tube is 7mm OD X 265mm overall length with a tapered delivery end and capillary tip.
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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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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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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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Distilling Head, Short Path, Improved
ChemglassSimilar 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…
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Ground Joints, Inner, with Hooks
ChemglassInner joint with two hooks 180°; apart just above the grind.
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Adapters, Flushing, Airfree®, Schlenk
ChemglassSimilar to AF-0509 but having a top outer joint and lower inner joint of the same size. Addition of the outer joint permits use of the larger sizes of the CG-3022 septum stoppers for repeated needle penetrations. Adapter also allows for evacuation and transfer of product into another vessel with…
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Adapter 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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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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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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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 for use with AF-0060 thru AF-0062 vacuum manifolds that permit the manifold to be utilized with a multitude of standard glassware or tubing products. The AF-0070 adapters are to be used with either a Cajon® fitting on the main ports or at the ends of the manifold with heavy wall rubber…
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Adapters, Inlet, Inner Joint
ChemglassAllows for flexible tubing to be connected to apparatus for introduction of vacuum or pressure. Hose connection has an O.D. of 10mm at the largest serration.
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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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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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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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Similar to CG-1241 but with the Vigreux column vacuum jacketed to improve distillation performance.
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Distilling Adapter
ChemglassSimilar to CG-1235, but with the lower stopcock replaced with a 0-14mm treaded valve having Perfluoro o-rings and a 1/2” O.D. glass distillate takeoff for use with PFA compression tubing fittings. Adapter has two top outer joints and a lower inner. Style “B” with lower angled…
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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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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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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, 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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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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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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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.