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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Adapter, Gas Inlet
Ace GlassSide tube with hose connection. Stem below joint is 175mm. Hose Conn. size D. Available in 24/40 and 29/42 standard joints or 35/25 spherical joints.
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Inlet Hose Adapter
DWK Life Sciences (Kimble)Ideal for use as a vent or for the introduction of pressure/vacuum Glass male Standard Taper joint with hose barb for tubing at 90° angle Thomas numbers 5737A01 and A03 take 1/4” tube fitting; others are 3/8”.
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Removable Hose Connections, GL Threads
ChemglassPolypropylene hose connections with a Viton rubber seal for use with GL-14 or GL-18 glass screw threads for working temperatures up to max +110°C. Enables the connection of cooling or vacuum hose by simply screwing either style (straight or bent) onto the glass thread instead of forcing Tygon…
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Adapters, Distillation, 75°
ChemglassWith standard taper inner joints at a 75º angle to one another.
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Used to regulate the flow of gases or liquids into reaction systems. Stopcock has a bore of 2mm, and has an internal needle valve which permits for fine control of gases or liquids added to reactions. Hose connection has an O.D. of 8mm at the middle serration.
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Photochem Reactor, Plain & Jacketed
Ace GlassReaction Vessel constructed of borosilicate glass to accommodate the 7854, 7856 or 7857 Immersion Wells. With one 14/20 angled joint for sparger tube, one 24/40 vertical joint for condenser and one #7 Ace-Thred side arm for thermometer. Center joint is 60/40. Bottom of reactor is flat to allow use…
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Synthware Vacuum Take-Off Adapters, Short Stem
Kemtech AmericaSynthware vacuum take-off adapter with drip tip. For use in vacuum distillation. Adapter is bent at 105 degrees. Serrated hose connection is attached to vacuum source. With standard taper top outer joint and lower inner joint of the same size.
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Adapters, PTFE, Universal, Inlet
ChemglassUnique adapter is made entirely of PTFE and is supplied complete with a series of 5 all PTFE ferrule style cones. These cones have inside diameters that run from 3.5 to 6.5mm and seal against the inserted tube by means of a threaded compression screw. Cones are color coded for easy identification.…
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Filter Tubes, Allihn
ChemglassAllihn type filter tube with a 30mm O.D. disc. Height above the disc is 100mm, lower stem is 8mm O.D. x 55mm in length.
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75° Bent Distillation Adapters
DWK Life Sciences (Kimble)Ideal for use as a stillhead adapter. With Standard Taper inner joints at each end Both joints are of the same size Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
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Midget Bubblers, Graduated
ChemglassMicro 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 nozzle being replaced with an extra coarse fritted gas dispersion…
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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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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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Same as 7854-25 Immersion Well except that the 60/40 inner joint is PTFE-Clad. Double-walled, quartz Well with inlet and outlet tubes for cooling. Small diameter inlet tube extends down the annular space to ensure flow of coolant from bottom of well upward to inlet.
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These PYREX® Claisen adapters have 19/22 Standard Taper outer joints at the upper end and on the parallel sidearm and an inner 19/22 Standard Taper joint at the lower end.
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Bubbler has an integral valve to control the flow of inert gas into the system. Bubbler requires a minimal amount of oil due to the inner tube being within 5mm of the bottom. Both sidearms are 9mm OD for use with 3/8" Cajon®; fittings. Overall height is approx. 220mm.
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SYNTHWARE Glass Check Valves
Kemtech AmericaCheck Valve, All Glass, Synthware, Hose Connections OD: 8mm, with ground seat for liquid seal.
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Similar to AF-0509, adapter has a T-Bore stopcock permitting vessels having a standard taper outer joint to be purged and evacuated. Available with a choice of a 4mm glass high vacuum stopcock having a S.S. constant pressure retention device or 4mm PTFE stopcock.
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SYNTHWARE Short Path Vaccum Jacketed Distillation Apparatus
Kemtech AmericaUsed with 25mm immersion thermometer, and D27 distillation receiver.
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Thermowell, Pressure Reactor
Ace GlassPressure reactor thermowell has a shoulder that rides against bottom of a bushing to prevent blowout. Inner diameter of well is approximately 5mm and is available in many lengths. Order thermowell and bushing separately.
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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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Adapter, Splash Guard, Firestone
Ace GlassMedium length joints, top and bottom, that will accept full length joints. When inserted into flask, splash guard combines with flask neck to give best protection against pot splash up. Overall height is kept to a minimum to effect best distillation.
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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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Ground Joints, Flask Length
ChemglassStandard taper flask length joints, both inner and outer member. Part number CG-125-09 is used as a replacement neck for two liter Squibb style separatory funnels.
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Adapter, Connecting Hose
Ace GlassWith outer or socket joint at one end and a hose connection at the other end. Use to connect flexible hose to 7514 sampling probes.
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SYNTHWARE Hickman-Hinkle Still Head with Side Port
Kemtech AmericaHickman-Hinkle Still Head, with Side Port, Synthware, Joint: 14/10, for microscale fractional distillation, supplied with one compression cap, one Viton O-ring and one PTFE-faced silicone septum.
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Adapters, Flushing, Airfree®, Schlenk
ChemglassAdapter permits vessels to be purged with an inert gas during sampling or transfer with a AF-0519 cannula. 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 wall…
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High performance, low cost, effective in separating low-boiling liquid mixtures with volumes in 0.5 - 5mL range. 2.5" micro-distillation column separates close-boiling mixtures utilizing a PTFE band uniquely driven by an attached magnet. Complete assembly features either 10/10 joints, code -43, or…
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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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Bubblers, Horizontal, Airfree®, Schlenk
ChemglassHorizontal design of bubbler allows for in line connection and purging of apparatus. Hose connection has a 9mm OD middle serration. Complete with standard taper inner joint.
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Funnel, Pressure Filter/Drying, Rusek
Ace GlassUsed for drying air-sensitive compounds with inert gas or a simple pressure filter funnel. O-Ring joint connects cap to body to give a larger opening. Funnel will withstand pressures of 20psi as supplied but NO warranty, expressed or implied. Cap adapt
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