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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Synthware Reducing Adapters
Kemtech AmericaSynthware reducing adapters are used for connecting dissimilar standard taper joint sizes. The lower inner joint is larger in size than the top outer joint.
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Standard Taper Joint Adapters
CorningPYREX® Standard Taper Enlarging (5732E35 to E50) With outer Standard Taper joint at top and smaller inner Standard Taper joint at bottom 5732E35 adapter is 100 mm long; 5732E47 and E50 are 105 mm long Listings give top joint size to bottom joint size PYREX® Reducing (573D34 to E49) With…
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Adapters, Vacuum Take-Off, 105°
ChemglassWith standard taper top outer and lower inner joints with sealed in drip tip. Adapter is bent at a 105° angle for use in vacuum distillation. Serrated hose connection has an O.D. of 10mm at the largest serration for connection to vacuum source.
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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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Extractors, Liquid-Liquid, Continuous
ChemglassExtractor designed for EPA priority pollutant samples where the extracting solvent is heavier than water. For samples of 1 liter plus approximately 200mL of extracting solvent. Extractor has a 45/50 top outer joint and a 24/40 inner joint on the uptake tube. Flask and condenser must be ordered separately.
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Adapter Connecting, NO-AIR
Ace GlassY shaped, 3-way adpater. One outer joint, two inner standard taper joints. Great for adapting flasks and other Schlenk line components. All three joints are the same size.
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Spherical Joints, O-Ring Ball Members
ChemglassBall joint with a Viton o-ring fitted into a groove tooled at the midpoint of the grind. Provides for a flexible, vacuum tight seal when used with CG-121-P polished socket joints. Supplied complete with one Viton o-ring of the listed size.
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Adapter, 15mm o-ring joint to standard taper inner joint , fetfe o-ring included.
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Synthware Flushing Adapters
Kemtech AmericaSynthware flushing adapter is used to flush and fill attached vessels with an inert gas to provide protective storage. A ballon is connected to the top hose connection. An inert gas is connected to the side hose connection. The ballon can be expanded with inert gas at the same time as the vessel or…
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Ground Joints, Outer, Medium Length
ChemglassStandard taper outer joint tooled on the same diameter tubing as the CG-104 inner joints.
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Ground Joints, Inner, Luer
ChemglassInner joint manufactured to the same specifications found on medical and research syringes. Complies with Federal Specification CG-S-921b and USAST Standard Z70.1. Available tooled on three tubing sizes with the inner diameter being 1mm through the tip of the joint on all three sizes.
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Drying Apparatus, Abderhalden
Ace GlassVacuum, improved form. Material to be dried is placed in the inner tube, 15.2cm long by 25.4mm I.D. When the liquid in the distilling flask boils, the vapors pass through the drying chamber and heat the inner tube at a constant temperature. The vapors then ascend to the reflux condenser, condense…
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Stirrer Blades, Glass, 10mm Shafts
Ace GlassGlass stir blades for 10mm OD button type stir shafts. 10mm OD stir shafts can be found in our 8068, 8070, 8074 and 8075 series.
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SYNTHWARE Vacuum Jacketed Vigreux Distillation Heads
Kemtech AmericaVacuum jacketed Vigreux distillation head having a sealed on condenser, braced for strength. Vacuum adapter has an inner joint and a sealed in drip tip. To be used with a 25mm immersion thermometer .
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Synthware Rotary Evaporator Anti-Splash Traps with Fritted Discs
Kemtech AmericaSynthware rotary evporator anti-splash trap with extra coarse fritted disc. Trap is placed between the vapor tube and the evaporation flask. This design prevent possible contamination in the event of bumping. the frit reducesfoam from being carryover. With upper outer and lower inner standard taper joints.
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Distilling Head, Magnetic
Ace GlassStraight adapter with the addition of a 75 degree side arm. Bottom and side are inner joints, outer joint top.
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Coupling, Reducing, Nylon or PTFE
Ace GlassFor coupling threaded columns together or to end fittings with single O-Ring seal for leak tight engagement with hand pressure and no sig-nificant size reduction in I.D. One end threaded for the next smallest diameter. Size listed refers to inside diameter of threads. Supplied with two FETFE…
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Bearing, Trubore, Single Joint, 10mm
Ace GlassInterchangeable ground joint bearing 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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SYNTHWARE Dean Stark Distillation Receivers
Kemtech AmericaFor easy separation of water from reaction or distillation system.
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Available with standard taper or spherical joint. Stem below joint is 250mm. Hose connection is size C.
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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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Synthware Vacuum/Argon/Nitrogen Inlet Adapters
Kemtech AmericaAllows for flexible tubing to be connected to apparatus for introduction of vacuum or pressure.
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Outer Joints, Dewar Seal
ChemglassUsed in construction of apparatus requiring the outer member to be jacketed. Configuration of flare permits seal to be made without having to regrind the joint.
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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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Compact and simple distilling/splitter adapter for use with Chemglass process reactors. 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 to the reactor. Control valve is either a 0-4mm or a…
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Flask Head, PTFE-Clad Bottom Joint
Ace GlassInterchangeable Mini-Lab head with 45/50 bottom joint, PTFE-Clad. No grease needed, will not freeze. Top 19/38 center joint, and are 14/20 side necks are ground. See 9443-20 for head with PTFE-Clad bottom joint and polished top joints. Side arms are placed at proper angles so that the thermometer…
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Adapter, 80mm Flange to Sanitary
Chemglass80mm Adapter to sanitary fitting adapter. Provides a convenient way to connect powder charging bags / bulk addition bags and other sanitary fitting accessories to the addition port on Chemglass reaction systems. Approximate overall length is 2.5 " NOTE: Clamp and Seals Must Be Purchased Separately.
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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 14/20 Standard Taper joints, and the upper end with an outer 14/20 Standard Taper joint. This tube is also a replacement part for…
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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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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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