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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Borosilicate glass transition adapter to convert beaded pipe 2 to standard taper joint.
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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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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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Similar to our larger units but is designed for carrying out reactions on a small scale, volumes of 5-15mL. Reactor body is fabricated of borosilicate glass with #25 Ace-Thred at top, 14/10 outer side joint externally threaded to allow an O-RING-CAP-SEAL connection with mating inner joint, and…
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Distilling Head, Hennion Design
Ace GlassFor variable reflux ratio, can be used for operation under vacuum and receiver can be removed without disturbing the system's vacuum. 10/30 thermometer joint takes 76mm immersion thermometer listed under 8315. Side arm joint is 24/40. Stopcock bores are 2 mm.
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KF25 Food Grade Vacuum Angle Flange
Across InternationalKF25/NW25 premium grade 316L stainless steel angle flange with alumimum valve for ultra durability, great for all sorts of high vacuum operations. Grade 316 is the standard molybdenum-bearing grade, second in importance to 304 amongst the austenitic stainless steels. The molybdenum gives 316…
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Bubbler, Airfree®, Schlenk
ChemglassUsed to monitor gas flow to reactions while providing a vent to the atmosphere. Reservoir head prevents oil from being sucked back into the system. Volume below the sidearm is approx 40mL. Bubbler has an 8mm OD top and side tubulations.
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U-Shaped Drying Tubes
SP Wilmad-LabGlassThese U-shaped borosilicate glass drying tubes have a Standard Taper joint at one end and are designed to avoid desiccant contact with reaction. Other end is open to receive size a #2 rubber stopper with bent inlet tube (included).
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Reaction Flask Head
Ace GlassThis conical 4" neck has three outer joints in line, plus a 14/35 outer joint which takes a 5021 Bushing Adapter to be used with ACE 8315 10/30 Thermometer. The 6500 Thermometer Well can also used with this head, when using a standard thermometer. For
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105° Bent Distillation Adapters
DWK Life Sciences (Kimble)Barbed hose connection Standard Taper inner joint with drip tip at the bottom and Standard Taper outer joint at the top Joints are 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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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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Adapters, Claisen
ChemglassWith outer standard taper joints on both top arms and lower inner joint. All three joints are the same size.
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Distilling Head, Magnetic
Ace GlassWith condenser jacket on side arm. Thermometer joint is 10/30 (see 8315 for thermometer listing). Side arm is at a 75 degree angle.
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Joints, Medium Length
Ace GlassMedium length joints available in a variety of sizes both inner and outer members.
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Joints, O-Ring Seal
ChemglassJoint has an o-ring groove to accept the listed o-ring size. Provides for a grease-free, vacuum seal when used with CG-150 clamps. Each joint is supplied with a Viton o-ring of the listed size.
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Reaction Flask Head
Ace GlassConical 4" neck with three socket joints in line, plus a 14/35 outer joint for thermometer. Use 6496 Clamp for securing to flasks. For use with 6475, 6476, 6477, 6479, 6480, 6481, 6491, 6492, 6497, 6498 and 9656 ACE Reaction Flasks.
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Adapter Univ Sz 21 24/40
DWK Life Sciences (Kimble)For use with plain thermometers, pipets, syringes or other small items with an OD from 2 to 17 mm. A vacuum-tight seal is created with the open top compression cap and FKM o-ring to allow adjustable immersion of thermometers Cap is suitable for use to 150 °C To use it as a septum…
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KF25 Flexible Premium Stainless Steel Vacuum Bellow
Across InternationalFVB-25-10 Premium flexible stainless steel vacuum bellow (3.3 feet) with KF/NW25 flange connection for high vacuum operations. Compatible with the following products by Across International AccuTemp and Elite series vacuum ovens EasyVac 9 cfm vacuum pumps, CleanVac series scroll pumps, SuperVac…
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Adapter, Connecting Hose
Ace GlassAdapter with bent hose connection top and standard taper inner bottom joint.
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Adapter, Thermocouple
Ace GlassAce-Thred to standard taper adapter designed specifically for securing a thermocouple via a nylon bushing and PTFE ferrule.
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SYNTHWARE Kugelrohr Distilling Bulbs
Kemtech AmericaKugelrohr Distilling Bulb Capacity: 5, 10, 15, 25 or 50mL available Joints: 14/20, Bulb O.D.: 25, 31, 35, 42 or 48mm available Overall Height: 80, 85, 90, 98 or 105mm available Used in distillation of very small amount of distillate at lower temperature with high efficiency.
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Similar to CG-1261 but with the uptake tube vacuum jacketed to improve distillation performance. The jacket eliminates the possibility of condensation or recrystallization of distillate in the sidearm.
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Adapter has a #15 o-ring joint with a 0-4mm 1-Arm Chem-Vac™ Chem-Cap® valve. Side arm is 9mm OD medium wall tubing for use with 3/8" Cajon® connections. Approx overall height is 100mm. Each adapter is supplied complete with one #116 Viton o-ring.
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Sublimation Apparatus, Vacuum, Improved
Ace GlassTwo sizes, both featuring an O-Ring sealed, greaseless flange with 6517 Quick Release Clamp. Top flange is ground flat, bottom mating flange has an O-Ring groove for a CAPFE O-Ring (PTFE encapsulated silicone), held tightly together via a quick release clamp. Size 60 is 200mm high x 60mm I.D.; uses…
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Standard taper, outer member, medium length, straight-sided joint.
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Joints, Outer Member, Straight-Sided
Ace GlassO.D. of standard taper joint and tube are approximately same size, allowing for ease in clamping.
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Distilling Head,, Solvent Recovery
Ace GlassVersatile, for use as a solvent recovery still for azeotropic separations of solvents, either heavier or lighter than water. As a solvent recovery unit, the lower 4mm PTFE double oblique stopcock permits total return to flask, total takeoff, and total storage in the 500mL graduated receiver. Bottom…
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SYNTHWARE Vacuum Jacketed Distilling Heads
Kemtech AmericaDistilling Head, Vacuum Jacketed Thermometer Joint: 10/18 Joints: 14/20 or 19/22 available For use with 25mm immersion thermometer.