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 Vacuum Adapters with 1:5 Teflon® Stopcocks
Kemtech AmericaSynthware vacuum adapter with a serrated hose connection turned 90 degrees to the standard taper inner joint. The PTFE stopcock has a 2 mm bore and is used to regulate the flow of gasses or liquids into reaction systems.
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5 neck flat head with flat ground Duran flange. (1) 90 degree center neck, (1) 90 degree side neck, (2) 10 degree side necks, and (1) 45 degree side neck. For clamp, see product family 6517.
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Off-Set Adapters
SP Wilmad-LabGlassThese borosilicate glass off-set adapters have a Standard Taper outer joint on one end and same size Standard Taper inner joint on the other.
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Glass Joints
CorningPyrex Standard Taper Connecting Tubes (5738E14) Arms are approximately 75° apart Equipped with inner Standard Taper joints that are both 24/40 Often used as a still head adapter Still Head Standard Taper Connecting Tubes (5738H82 and L18) Sidearm is at an angle…
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Adapter, Claisen, #7 Ace-Thred
Ace GlassWith 24/40 standard taper joints and top side arm with #7 Ace-Thred for use with 5029 Nylon bushing and adjustable length thermometer. Supplied complete with 5029-10 Nylon bushing and FETFE O-Ring.
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Columns, Absorption, Gas Scrubber
ChemglassHeavy wall column having 60mm Duran flanges on both ends. Column is 12" (300mm) long with an indent to hold the glass filled PTFE packing support near the bottom of the column. Packing support sold separately.
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Bidwell-Sterling type receiver used to determine the moisture in foods and organics. Made to ASTM specification E123. Also conforms with many methods of American Oil Chemists Society.
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SYNTHWARE T-Shaped Connecting Tubes
Kemtech AmericaConnecting Tube, T-shaped, Synthware, Tubing OD: 8 and 10mm available.
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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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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.
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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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Synthware Distillation Adapters
Kemtech AmericaSynthware distillation adapter with a 10/18 standard taper outer joint for a 76mm immersion thermometer. The adapter has a standard taper top outer joint and inner joints for the bottom and side.
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Beaded Process Pipe
Ace GlassAll pipe is available from stock in lengths shown; special lengths available at slightly higher cost.
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Radial style distillation receiver allows four flasks to be progressively filled. Upper vacuum adapter is bent at a 105° angle.
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Adapter, Offset
Ace GlassAdapter with #15Ace-Thred top and 14mm OD offset bottom tube with O-Ring grove. Used on small pressure reaction vessels and heads to allow for more space for columns, condensers and addition funnels.
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Filtering Tubes, Reduced Ends
ChemglassUseful in filtering operations for the preparation of organic chemicals and biologic solutions, or to remove end products of a reaction during recirculation of the liquid reactants. Both ends of the tube have a serrated hose connection.
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PTFE Sleeves, Fluro-Kem®
ChemglassA .002in thick PTFE sleeve for standard taper joints provides a grease-free seal. Sold in packages of 3 each.
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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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Funnel, Pressure Filter/Drying, Rusek
Ace GlassUsed for drying air-sensitive compounds with inert gas or a simple pressure filter funnel. O-Ring joint connects cap to body to give a larger opening. Funnel will withstand pressures of 20psi as supplied but NO warranty, expressed or implied. Cap adapt
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Jacketed glass immersion well for use with our 7825 series lamps within our 6962,7863,7864,7865 & 7891 series reactors. Codes -30 & -40 feature a small diameter glass inner feed tube to ensure the flow of coolant from the bottom of the well up to the outlet. Codes -35 & -45 feature a PTFE inner…
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Thermometer Holder
Ace GlassUsed in various Mini-Lab assemblies to hold standard chemical thermometer.
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Still, Solvent Recovery
Ace GlassWhen attached to the top of Snyder Column, unit is designed to recover solvent normally lost during Kuderna-Danish Evaporative Concentrations. PTFE stopcock (1:5, 2mm bore) provides option for total reflux or takeoff. #7 Ace-Thred on side arm accepts tubing 6 - 7mm O.D. 5029-10 Nylon bushing and…
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With standard taper 24/40 joint and 8mm O.D. outlet tube bent at 75 degree angle.
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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.
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Distilling Column, Snyder
ChemglassThree section Snyder column with improved design to prevent column flooding. Column has a 24/40 top outer joint and a 24/40 lower inner joint for use with CG-1308 Kuderna-Danish flask.
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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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With the joint at bottom, either a #7, #11, #15 Ace-Thred at top and serrated hose connection.
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Drying Towers
ChemglassCylindrical shaped drying tower has a 34/28 ground glass stopper. The stopper has a hole coinciding with a serrated hose connection sealed in the outer portion of the stopper neck and a second hose connection near the base of the cylinder. A hex base is sealed to the bottom of the tower for added stability.
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Hose Connections, Mini-Lab Size
Ace GlassRing-style hose connections for use on small-scale apparatus such as Mini-Lab. Codes -05 & -09 are on straight tubing; code -14 has a flare end. Sold in shelf-packs of 12 each.