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, Straight Connecting
Ace GlassStraight connecting adapter with inner or socket top and outer or ball bottom.
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Synthware rotary evporator anti-splash trap, modified. With extra coarse porosity fritted disc sealed above lower inner joint. Trap is placed between the vapor tube and the evaporation flask. This design prevent possible contamination in the event of bumping. Frit reduces foam overflow from being…
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Distilling Head
Ace GlassWith finger type condenser and 0-3 mm PTFE stopcock plug with PTFE ring seals for reflux control. The seals prevent O-Ring exposure to corrosive liquids and are backed up by a FETFE O-Ring. Thermometer joint is 10/30, all others are 14/20.
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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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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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Distilling Receiver
Ace GlassThe three 25mL flasks are in the same plane, rotated about the condenser axis. Hose connection is parallel to and above condenser axis. Three clips are supplied for holding flasks to condenser. All joints are 14/20. Hose connection is size A.
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Distillation Head, Vacuum Type
Ace GlassVacuum distillation head featuring glass or PTFE stopcock plugs which allow the receiver to be removed from the head without disturbing the refluxing solvent. All joints are 24/40 with the exception of a 10/18 thermometer joint which will accept our 5028-24 adapter and 6.4mm thermometers such as…
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Adapters, Vacuum, PTFE Stopcocks
ChemglassVacuum Adapter has a ground glass standard taper outer joint on top that provides a convenient leak free way to connect to the OP-6602, OP-6603 and OP-6604 disposable long stem filter funnels and a taper inner joint or a vial. The unique design of the long stem filter funnel and vacuum adapter…
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Synthware Inlet Adapters with Extended Length Lower Tubes
Kemtech AmericaSynthware inlet adapter with extended length lower tube. Allows for the introduction of reactants below the interior surface. Tube extends 153mm (6 inches) below the joint. Tubing has the same O.D. on both ends of the joint.
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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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Adapter, Reducing and Enlarging
Ace GlassStandard taper joint at top and spherical joint at bottom.
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Distilling/Splitting Adapter, Angled
ChemglassCompact and simple distilling/splitter adapter for use with Chemglass process reactors lids that have a 10° angled side neck (CG-1946-B). 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…
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Midget Impingers, Graduated
ChemglassMicro midget 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 orifice at the impinger tip is 1mm, passing 0.09 to 0.11…
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Distilling Receivers
ChemglassGraduated distilling receiver with a standard taper outer joint on top and a standard taper lower drip joint. Stopcocks are either a 2mm or 4mm PTFE. Distance between the receiver and the uptake arm: 10 and 20mL are 100mm center to center; the 50, 100 and 250mL are 150mm center to center.
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Synthware Vacuum Take-Off Adapters with PTFE Stopcocks
Kemtech AmericaSynthware vacuum adapter with 2mm straight bore PTFE stopcock on the hose connection.The upper outer and lower inner standard taper joints are the same size.
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75° Connecting Distillation Adapters with BEVEL-SEAL™
DWK Life Sciences (Kimble)Used in distillation assemblies where adjustable immersion depth of the thermometer is desired. Threaded top BEVEL-SEAL™ connection for plain stem thermometers Vacuum-tight seal is achieved with the open top compression cap and FKM o-ring BEVEL-SEAL™ cap 410119-1307 is…
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Synthware Vacuum Distilling Adapters
Kemtech AmericaWith two standard taper inner joints that are parallel and at a 75 degree angle to the connecting tube. Distance between joints is 100mm.
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Replacement flange compatible with Buchi condensers and rotary evaporator flasks.
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Adapters, Shower Head, Gas Scrubber
ChemglassAdapter attaches to the top of the exhaust gas outlet column and has an all glass shower head to disperse the scrubbing fluid down into the absorption column. Inlet connection is 1/2" Swagelok® tubing for use with CG-1975-20 compression fitting.
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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 19/22 Standard Taper joints, and the upper end with an outer 19/22 Standard Taper joint. This tube is also a replacement part for…
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Adapter, Straight connecting
Ace GlassStraight connecting adapter with standard taper outer joints top and bottom. Various lengths.
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Similar in design to AF-0720 but without delivery adapter. Lower 3-way valve has been replaced with a single 0-4mm Chem-Vac™; Chem-Cap®; valve for draining distillate back into the flask. The uptake tube has one row of vigreux indentations, while the 14/20 top outer joint has been…
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Adapter 14/20 O X 24/40
DWK Life Sciences (Kimble)For enlarging the size of Standard Taper glass joints. Outer joint is at the top, inner at the bottom Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type 1 and ASTM E438, Type 1, Class A requirements
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Distilling Apparatus
Ace GlassA compact fractionation unit for distilling small quantities in a vacuum, and for ordinary separation. The indents are positioned to cause the vapor to follow a spiral path, adding to the efficiency of the unit. By use of the three-way stopcock, a manifold arrangement is achieved, making it…
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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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Firestone splash guard adapter with medium length joints that will accept full length joints. Internal porosity A (147-174 micron) fritted disc that assures no carry-over in the event of pot splash-up. Overall length is kept to a minimum to positively
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Standard taper outer joints tooled with reinforcing rings.
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Distilling Head, Short Path
ChemglassDesigned for use with small quantities where hold up between the flask and receiver must be kept to a minimum. The thermometer bulb and stem serve as column packing. Upper hose connections are for cooling lines while the lower connection is for vacuum. Available with Vigreux indentations to improve…
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Distilling Heads
ChemglassSimple distillation head with a condenser sealed to the adapter at a 75º angle. The top outer joint on the 14/20 size can be converted to a 10/18 thermometer joint by using a CG-1016-27 bushing adapter. The sidearm is sealed at a height for use with a 1” immersion thermometer. The 24/40…
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Adapter, Septum Inlet, Two Ports
Ace GlassSampling adapter with standard taper inner joint bottom and o-ring cap-seal septum port at top for handling of air-sensitive materials. Supplied with open-top, 8-425 GPI cap and PTFE faced, silicone septum.