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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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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Joints, Inner Member, Microscale
Ace GlassStandard taper inner ground joints used in fabrication of ACE Microscale Glassware. Use with 7609 outer member. Codes -11, -12 and -13 have drip tip.
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Splitter, Distillation, Reflux
Ace GlassLarge, reflux splitter installed between the boil-up pot or column and the condenser. A 0-20mm PTFE stopcock valve allows take-off when closed and reflux return when open. The take-off terminus is a 35/25 o-ring ball joint. The overall height is 350mm. 45/50 top and bottom joints. All o-rings are…
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SYNTHWARE Solvent Still, Built-In Condenser
Kemtech AmericaSolvent Still, Built-In Condenser Capacity: 125mL Joints: 24/40 Threaded Side Port: 14/10
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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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SYNTHWARE Y-Shaped Connecting Tubes
Kemtech AmericaConnecting Tube, Y-shaped, Synthware, Tubing OD: 8mm.
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Still head in 125mL or 500mL capacity for use in re-purification of solvents under inert atmosphere. One-piece design of condenser and storage reservoir eliminates multiple connections usually associated with distillation setup. 0-4mm Chem-Vac™ Chem-Cap® valves provide for grease-free,…
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Coupling, Nylon or PTFE
Ace GlassFor coupling threaded columns together or to end fittings with single O-ring seal for leak tight engagement and with no significant size reduction in I.D. Size listed refers to inside diameter of threads and corresponds to 5820 and 5821 column diameter. Supplied with two FETFE O-rings.
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Lower Reservoirs, Gas Scrubbers
Chemglass3L 5-Neck heavy wall, round bottom flask lower reservoir for gas scrubber. Flask has a 60mm Duran Flange center neck, 2ea 45/50 outer joints, and 2ea 24/40 outer joints. Drain valve is a 0-14mm with Perfluoro o-rings. Valve is offset from the bottom of the flask to permit solids to settle and…
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Distillation Head, Solvent, Modified
ChemglassDesigned to maintain distilled solvents in an inert atmosphere. Top of main vapor tube is open and an additional vapor tube has been added to decrease risk of pressure buildup. Upper sampling port has a 4mm PTFE stopcock with a 14/20 outer joint for use with CG-3022 septa. Lower drain is centered…
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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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KF25/NW25 Stainless Steel 3-Way Tee Flange
Across InternationalPremium quality stainless steel KF/NW25 3-way tee flange for secure vacuum connection. Now you can hook up multiply vacuum ovens to one pump, or multiply pumps to one oven to draw a faster and deeper vacuum. Compatible with the following products from Across International: Vacuum ovens…
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Adapter, Angled Offset Adapter
Ace GlassAngled offset adapter with outer joint on top and inner joint on bottom. For use with heads having 10 degree side necks, transitioning to 90 degrees.
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These PYREX® Claisen adapters have Standard Taper outer joints at the upper end and on the parallel sidearm and an inner Standard Taper joint at the lower end.
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Adapters, Inlet, Outer 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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Adapter, Twin Connecting Hose
Ace GlassWith standard taper inner joint and twin hose connections opposite each other. Normally used with 6620 Reflux Apparatus to allow inert gas flow over top of apparatus to maintain oxygen free system. Hose connection is size C.
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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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Complete reaction assembly utilizing an Ace-Thred instead of a ground joint for improved immersion well / cooling tube seal. Features a 14/20 angled joint for sparger tube, 24/40 vertical joint for a condenser and a #7 Ace-Thred thermometer joint. Actual working volumes are 40 to 50% of stated…
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Adapters, Transfer
ChemglassUsed in the transfer of fluids from vessels having standard taper joints.
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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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Modified Dean-Stark trap allows for more efficient cooling and separation of the azeotrope during distillation. Graduated from 0 to 10ml in 0.2mL subdivisions. **Design suggested by Dr. Craig Merlic, University of California, Los Angeles, California
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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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Drying Tube, Schwartz
ChemglassSchwartz type drying tube having 14/20 hollow stoppers. Stoppers have a hole that aligns with a serrated hose connection for on/off action. Overall height is approximately 170mm.
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Ground Joints, Outer, Full Length
ChemglassStandard taper outer joint tooled on tubing approximately the same diameter as the top reinforcing ring, affording no hold-up below joint.
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Adapter, O-Ring Joint to Hose Connection
Ace GlassAdapter, o-ring joint to size E hose connection, fits 3/8"-7/16" id tubing, fetfe o-ring included
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Adapters, Luer
ChemglassAdapter allows for 1/8" OD PTFE tubing to be connected to glassware via a standard taper joint. Useful with vacuum manifolds or any other air sensitive transfer applications. Adapter can also be used with standard luer lock stainless steel needles; See CG-3075. Adapters are supplied with a…
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Distilling Column, Vigreux
ChemglassVigreux style column with indentations that run the entire length of the column for improved vapor-liquid contact. Column length refers to the effective length, measured from the lowest to highest indent in the column. Column has a top outer and lower inner standard taper joint.
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Synthware Distilling Adapters, 75°
Kemtech AmericaSynthware distilling adapter with top compression cap. With same size standard taper inner joints on bottom and side arm. Cap accomodates 5.0 - 7.5mm O.D. thermometer. Supplied with one Nylon cap and one Viton o-ring.
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