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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PTFE adapter, precision made, for use when making NPT thread connectors to Ace-Threds. One end designed to make leaktight seal with Ace-Thred without use of O-Rings, other end accepts NPT male thread. Can be used when making connection at top of rapid prep columns or rigid connection between…
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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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Adapters, Vacuum, Threaded
ChemglassAdapters are used for filtration directly into vials. There are three top configurations, with the bottom of all adapters having a 20-400 GPI thread for connection to vials using a CG-1318 Threaded Connector. Design incorporates a drip tube sealed within thread to prevent breakage and are supplied…
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Distilling Column, Vigreux
Ace GlassWith standard taper 24/40 joints. Length in centimeters refers to the effective length of the column as measured from the lowest to the highest indent of the column.
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TUBE, Receiving, Graduated
Ace Glass100ml graduated, rotary evaporator receiving tube. Tapered bottom with 35/20 spherical outer joint top. Graduated in 0.5ml increments to 10ml, 5ml increments to 100ml.
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Similar to CG-1261 but with the addition of an overflow tube between the uptake tube and the graduated receiver.
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Adapters, Vacuum Take-Off, Long Stems
ChemglassWith standard taper top outer and lower inner joints with sealed in lower tube extending below inner joint. Tubing extends 100mm below the joint on the 14/20 and 19/22 sizes and 200mm on the 24/40, 29/26 and 29/42 sizes. Serrated hose connection having an O.D. of 10mm at the largest serration for…
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Joints, O-Ring Seal, Spherical Ball
Ace GlassSpherical ball, precision ground, with groove for O-Ring, for use with matching socket members. Leak proof at high vacuums when clamped. O-Ring permits use without grease. Supplied with one FETFE O-Ring. For replacement O-Rings, see 7855. See 7669 or 7670 for clamps.
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Glass standard taper and spherical joint adapters featuring a vertical ground glass 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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Modified Dean-Stark receiver designed for solvents that are either lighter or heavier than water. The lower three-way PTFE stopcock allows for the withdraw or return of the distillate during the distillation process. With a 10/30 outer joint on the top of the vapor tube for a 3” immersion…
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Synthware Vacuum Transfer Adapters
Kemtech AmericaSynthware vacuum transfer adapter with PTFE stopcocks and standard taper inner joint. Used for the transfer of sensitive and hazardous solutions while under vacuum.
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Adapter, Bushing
Ace GlassBushing type adapter for standard taper joints. Smaller outer or female joint is within the larger male 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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Photochem Reactor, Ace-Thred, Jacketed
Ace GlassGlass, jacketed reaction vessel design for use with our 7874 quartz and 7875 glass immersion wells. Instead of a standard taper joint, this reactor utilizes a height-adjustable, non-freezing #50 Ace-Thred. Also featured, a 14/20 angled joint for a sparger tube, a 24/40 vertical joint for a…
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Adapters, Connecting, Airfree®, Schlenk
ChemglassA 3-way adapter for the connection of 3 vessels. With a top outer and two lower inner joints, all being the same size.
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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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SYNTHWARE Distillation Receivers
Kemtech AmericaWith the outer and inner joint at 135° angle, used with short-path.
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Adapter, pH Probe Tube, Pilot Plant
Ace GlasspH probe adapter tube extends the probe deep within large capacity flasks. Fits in 45/50 opening on head and is vertically adjustable along its length. Available with either Chemraz or Fetfe o-rings and in 24 in(61cm), 36 in (91cm), or 48 in (122cm) le
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Bubblers, Adjustable, Airfree®, Schlenk
ChemglassBubbler has an adjustable inner tube with a #9 Chem-Thread. Taper at bottom of reservoir allows for use of a minimal amount of oil. Complete bubbler consists of the lower reservoir, adjustable inner tube, compression cap and Viton o-ring.
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Synthware Tapered Distilling Adapters
Kemtech AmericaWith an outer standard taper joint at the top. The tapered delivery drip tube extends into open receivers.
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Sublimation Apparatus, Vacuum
Ace GlassA semi-micro sublimer used by a number of synthesis laboratories. The proportions have been found to be optimum for handling a variety of crystal types. The circulatory stem may be removed and collecting tube filled with dry ice, acetone, etc. Complete unit consists of body, head and circulatory…
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Distilling Head, Vigreux, Jacketed
ChemglassJacketed fractionation distilling head for use under vacuum. The 10/18 top outer joint is for a 1” immersion thermometer while the 10/30 joints are for a 2” immersion thermometer. The 24/40 joint size uses 4mm glass or PTFE stopcocks, and are positioned to permit changing of receiver…
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Side Seal Joints
ChemglassOuter joint having a tubulation sealed at the midpoint of the ground portion, and a corresponding hole drilled in the inner joint permitting venting of the side tube when the inner joint is turned to the proper position. Both of the 19/38 sizes are compatible with Buchi Rotary Evaporators. Part…
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Adapters, Flushing, Airfree®, Schlenk
ChemglassAdapter allows vessels to be flushed with inert gas while sampling directly thru the bore of the T-Bore stopcock. 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…
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Drying Apparatus, Abderhalden
ChemglassAbderhalden style for drying samples at a temperature as a function of the solvent boiling point. The desiccant flask has a 34/45 outer joint for connection to the drying chamber. All other joints are 24/40. Complete apparatus consists of a desiccant flask, drying chamber, round bottom flask and…
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SYNTHWARE Solvent Still Head with Drainage Port
Kemtech AmericaSolvent Still Head Capacity: 500 and 1000mL available Top Joint: 24/40 Bottom Joint: 24/40 and 29/42 available Side Joint: 14/20 Drainage Port Joint: 14/20
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Used to purify and transfer solvents under inert conditions. Permits transfer of solvents directly into an evacuated storage vessel with 24/40 standard taper outer joints. A 0-4mm Chem-Vac™ Chem-Cap® valve is used for vacuum control.
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Pressure Vessel, Heavy Wall
ChemglassHeavy wall pressure vessels have an internal thread for use with PTFE bushings as pressure seals. The unique design allows hand tightening and loosing for easy access into the vessel. O-ring is positioned on the bushing above the thread for improved sealing. Vessels are useful for pressure…
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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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Vessel only, enables cooling of reactant material during photolysis plus the added feature of a 2mm bore, 1:5 PTFE stopcock at bottom for draining contents of vessel. Made of borosilicate glass to accommodate the immersion well. With one 14/20 angled joint for sparger tube, one 24/40 vertical joint…
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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…