Glass Joints & Adapters
At Thomas Scientific, we stock an extensive range of glassware that is customizable and adaptable to suit your specific requirements. Choose between glass u-tubes, short path distillation heads, snyder columns, and much more.
High-quality glass adapters offer a smooth non-porous surface and carry additional features such as heat resistance and chemical compatibility, which makes them suitable for a range of laboratory applications. Benefit from leak-free and customizable connections with glassware pieces.
Transparent glass joints enable scientists to observe reactions and processes within the glassware to provide real-time monitoring of experiments.
Glass accessories include nmr tube cleaner to assist with keeping all glassware clean and contamination free.
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Tubes, Screw Thread, GL
ChemglassScrew thread tube for replacement on apparatus using the GL thread, which is manufactured to I.S.O. specifications. (GL is the I.S.O. designation for GLASS.) To be used with a CG-196 solid cap with liner or a CG-195 cap with aperture and CG-197 silicone sealing ring.
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Septa, Rubber
Ace GlassSepta tops are flanged with a sleeve-like extension that folds down over the vessel's neck. Punctured diaphragm re-seals after syringe is withdrawn. Septa are supplied in a variety of sizes, red, white or grey rubber.
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SYNTHWARE Snyder Distillation Column
Kemtech AmericaSnyder Distillation Column, 3 Section Top Outer Joint: 24/40 Lower Inner Joint: 24/40 Column Height: 150mm Overall Height: 300mm For use with Kuderna-Danish flask.
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Adapter, Sublimation
Ace GlassUnique device for carrying out sublimation directly in round bottom reaction flask; simply remove condenser, stirrer, etc. from joint, insert sublimation adapter and begin. Coolant connection at top and side vacuum connection are 9.5 mm (3/8") O.D. Vacuum connection is controlled by 1:5 PTFE 2 mm…
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Synthware Rotary Evaporator Anti-Splash Traps
Kemtech AmericaTrap is placed between the vapor tube and the evaporation flask. This design prevent possible contamination in the event of bumping. With upper outer and lower inner standard taper joints.
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Pressure Vessels, Tubes & Bottles
Ace GlassAce Glass pressure tubes and bottles are the premier glass pressure vessels in the industry. Flat-bottomed bottles are rated at 60psi at room temperature while our tubes are rated at 150psi at as much as 120 degrees C. Due to varying conditions, Ace cannot guarantee glass vessels from breaking…
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Hose Connections, Large
Ace GlassRing-style hose connections for use on large soxhlet condensors, etc. With flare end. Sold in shelf-packs of 12 each.
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Distilling Head
Ace GlassWith finger type condenser and 0-3 mm PTFE stopcock plug with PTFE ring seals for reflux control. The seals prevent O-Ring exposure to corrosive liquids and are backed up by a FETFE O-Ring. Thermometer joint is 10/30, all others are 14/20.
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Synthware Straight Drying Tubes
Kemtech AmericaSynthware straight drying tube. With top outer and lower inner standard taper joints of the same size.
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SYNTHWARE Vacuum Takeoff Adapter
Kemtech AmericaVacuum Takeoff Adapter, Microscale, Synthware, Joint: 14/10, supplied with one compression cap, one Viton O-ring and one PTFE-faced silicone septum.
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Adapters, Bushing, PTFE
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. Similar to CG-1016, but made entirely of PTFE.
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Similar to CG-147, but formed without the o-ring groove.
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Interchangeable ground joint bearing with top lubricant well for use with our precision ground stirring shafts (8068,8070,8071,8073, 9532,9533). Recommended top stirring speed with our 8117 Stir-Lube is 1500 rpm.
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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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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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Adapters, Syringe Needle
ChemglassInner standard taper joint with the opposite end tooled to fit a CG-3022-05 or CG-3022-22 rubber septa. Supplied complete with one each rubber septa.
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Hose Connections, Direct Seal
Ace GlassFour ring connector, (code -03 has three rings), is tooled with flare and exposed for direct sealing to apparatus. Tooled on each end of tubing with approximately 5-6" between connectors. Priced per dozen connectors (i.e., six doubles).
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Adapter, Connecting Hose
Ace GlassWith standard taper outer or spherical socket joint at one end and a hose connection at the other end.
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KF16 to KF25 Flange Adapters
Across InternationalHigh quality one-piece stainless steel KF16/NW16 to KF25/NW25 flange adapter for secure vacuum connection. Compatible with Agilent IPD-3 2.1 cfm scroll pumps, Welch 1400N 0.9 cfm pumps and Welch 2163 6.1 cfm diaphragm pumps.
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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, Claisen
ChemglassAdapter has a standard taper outer joint at the top of the main tube for use with jointed thermometers. The 10/18 size is used with 10/18, 25mm immersion thermometers while the 10/30 is for use with CG-3506, 75mm immersion thermometers. Sidearm has a standard taper outer joint with main tube having…
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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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These PYREX® angle connecting adapters have a sidearm at an approximately 75° angle from the lower joint. The lower end and sidearm are equipped with inner 19/22 Standard Taper joints, and the upper end with an outer 19/22 Standard Taper joint. This tube is also a replacement part for…
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Glass standard taper joint adapters featuring a drip tip and a vertical ground glass tube sidearm. The sidearm is used to make tube compression fitting connection to a wide variety of flexible and rigid tubing using our 12709,12711,12715 & 12716 product families of fittings.
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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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SYNTHWARE Cow-Type Distilling Receivers with Hose Connection
Kemtech AmericaCow-type design having three receivers spaced 40° apart. 105° angle between top outer joint and lower inner joins.
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Adapter, Vacuum Take-off, Short Stem
Ace GlassOuter joint at angle of 105 degree. Hose connection opposite top joint. Stem below joint, 30mm.
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Adapter, Ace-Thred to o-ring joint
Ace GlassAdapter, 15mm o-ring joint to Ace-Thred, fetfe o-ring included.
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Adapter, Twin, Ace-Thred
Ace GlassTwin adapter features two Ace-Thred top openings and a standard taper inner joint bottom. With the supplied nylon bushings, two tubes or a thermometer and bleed tube can be inserted through the same joint. The 24/25 medium length joint is compatible wi