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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Storage Tube, Schlenk
Ace GlassUsed for filtration of solvents and collection of precipitate. With two standard taper 14/20 or 24/25 outer joints and two standard taper 14/35 or 24/40 inner. With fritted disc.
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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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Similar to CG-1293 but with the addition of a top standard taper outer joint of the same size as the lower inner joint.
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Adapters, Moisture Test
ChemglassAdapter used to construct a simple moisture trap. Add a condenser to the top outer joint and a graduated funnel to the lower inner joint. Adapters with larger center to center spacing can be used with process reactors and larger flasks up to 50L.
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SYNTHWARE Hickman Still Head, with Side Port
Kemtech AmericaHickman Still Head, with Side Port, Synthware, Joint: 14/10, for microscale fractional distillation, supplied with one compression cap, one Viton O-ring and one PTFE-faced silicone septum.
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Synthware Distillation Adapters with Threaded Thermometer Ports
Kemtech AmericaSynthware distillation adapter with threaded thermometer port. The threaded port will accommodate a 6-7.5mm O.D. plain thermometer. The adapter has standard taper top outer joint and inner joints for the bottom and side. All joints are the same size.
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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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SYNTHWARE Distillation Receiving Set
Kemtech AmericaComes with Synthware Distilling Adapter (Joints: 14/20, 19/22 AND 24/40) and Cow Receivers (Joints: 14/20, 19/22, AND 24/40). Rotating cow receiver allows four flasks to be progressively filled. **NOTE THESE PRODUCTS COME IN DIFFERENT SIZES - WHAT IS PICTURED MAY NOT BE THE ITEM SOLD**
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Adapters, Gas Inlet, Gas Scrubber
ChemglassGas inlet adapter with 45/50 inner joint, is used for connection of the gas source to the lower reservoir. Inlet connection is 1/2” Swagelok® tubing for use with CG-1975-20 compression fitting. Adapter is available in 3 styles. Style "A": Adapter has a large 25mm x 70mm…
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Synthware Distillation Adapters, Vigreux
Kemtech AmericaSynthware Vigreux distillation connecting adapter. Indenstations in lower section improve liquid/vapor contact. The standard taper top outer joint accomodates a 76mm immersion thermometer. Bottom and side joints are standard taper inner joints.
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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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Adapter, Straight connecting
Ace GlassStraight connecting adapter with standard taper outer joints top and bottom. Various lengths.
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Thermometer Holder
Ace GlassUsed in various Mini-Lab assemblies to hold standard chemical thermometer.
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Baffle, PTFE, For Temperature Probe
Ace GlassA PTFE baffle with an integral stainless steel tube. Can be used for either liquid addition into a reactor or primarily a temperature probe. The baffle will accomodate a 1/4-in OD thermocouple. The #7 Ace Thred bottom bushing will make a tight compression seal with either the tubing or…
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Schlenck Filter Tube, NO-AIR
Ace GlassSchlenk filter tube with an integral glass filter disc at the tube's mid-line and featuring inner joints at top and bottom.
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Flange, Heavy Wall, Glassblower parts
Ace GlassHeavy walled flange for large scale rotary evaporator condensers.
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Synthware Vacuum Take-Off Adapters with Glass Stopcocks
Kemtech AmericaSynthware vacuum adapter with 2mm straight bore glass stopcock on the hose connection.The upper outer and lower inner standard taper joints are the same size.
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Adapter, Splash Guard, Firestone
Ace GlassMedium length joints, top and bottom, that will accept full length joints. When inserted into flask, splash guard combines with flask neck to give best protection against pot splash up. Overall height is kept to a minimum to effect best distillation.
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Standard taper, outer member, medium length, straight-sided joint.
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KF16 to KF25 Flange Adapters
Across InternationalHigh quality one-piece stainless steel KF16/NW16 to KF25/NW25 flange adapter for secure vacuum connection. Compatible with Agilent IPD-3 2.1 cfm scroll pumps, Welch 1400N 0.9 cfm pumps and Welch 2163 6.1 cfm diaphragm pumps.
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SYNTHWARE Vacuum Takeoff Adapter
Kemtech AmericaVacuum Takeoff Adapter, Microscale, Synthware, Joint: 14/10, supplied with one compression cap, one Viton O-ring and one PTFE-faced silicone septum.
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SYNTHWARE Microscale Distillation Head
Kemtech AmericaWith 2mm glass stopcock and 24/40 joint. Supplied with a special 25mL long-neck flask for small volume efficiency.
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Synthware Vacuum Adapters with PTFE Stopcocks
Kemtech AmericaSynthware vacuum adapter with a serrated hose connection 180 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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Adapter, Spherical to Standard Taper
Ace GlassTransition adapter to convert a spherical ball or socket 2 joint to a standard taper inner joint.
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For use with CG-122, o-ring ball joint to provide for a flexible high vacuum seal. Polished sealing surface does not abrade o-ring. Note: Not for use with CG-120 ground ball joints.
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Joints, Drip Tip
Ace GlassStandard taper inner joint with an unconstricted 30 degree angle drip tip extending from bottom of joint.
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Race Tubes, Glass Only
ChemglassRace tubes are used to measure basal hyphal linear growth as well as circadian conidial banding in the filamentous ascomycete Neurospora crassa. PLEASE NOTE: TUBES ARE SOLD GLASS ONLY.
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Arsine Generators, Improved
ChemglassFor arsine analysis using the diethyldithicarbamate (SDDC) colorimetric method. Design also meets specifications of ACS/USP, EPA and can be used with APHA Standard 104A. Apparatus is compact, requires less set-up time and eliminates the ball and socket connection normally used. Complete item…
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Flanges, Reaction Kettle
ChemglassConical style flange has an I.D. of 4in with a flat, ground surface used for construction of reaction kettles or flasks. Tooled on tubing having an I.D. of 105mm and an O.D. of 115mm. Supplied with approximately 7in of tubing below joint. Available tooled on longer lengths of tubing. Please contact…
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