Chemglass Glass Joints & Adapters
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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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Adapter has a 2mm PTFE metering stopcock between top outer and lower inner standard taper joints to permit flow control of fluids between apparatus.
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Minum-Ware® Recrystallizing Tubes
ChemglassUsed for microscale recrystallizing of small quantities of reaction product. Consists of a glass outer tube with a non-uniform grind to purposely allow leakage, and a PTFE inner plug. The PTFE inner plug fits both the 1.0ml and 2.0ml capacity outer tubes. Capacity listed is the volume of the tube…
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Adapters, Distillation, 105°
ChemglassDistillation adapter with sealed in lower drip tip and top outer joints, both being the same size.
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A 0-12mm Chem-Vac™ Chem-Cap® valve having an o-ring joint for connection to the right hand side of AF-0300-03 vacuum manifold. Adapter is available for #15, #25, and #30 o-ring joints. Complete gauge consists of a glass portion, a S.S. bushing drilled and tapped for 1/8 " NPT…
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Bubbler, Double, Airfree®, Schlenk
ChemglassSimilar in design to AF-0513 but with two oil reservoirs. Bubbler is approx 125mm W x 135mm H. Hose connections are 9mm OD at the middle serration.
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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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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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Adapters, Vacuum Filtration
ChemglassAdapters are used for reduced pressure filtration with plain stem buchner funnels. Top is tooled to accept the listed size of pluro-stopper. Serrated hose connection has an O.D. of 10mm at the largest serration. FOR PLURO STOPPERS SEE CG-1401.
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Distilling Adapter
ChemglassCompact and simple distilling adapter for use with Chemglass process reactors. Vapor flows upward freely and distillate is collected in to the small bowl below the joint and through the stopcock into a distilling receiver. Adapter has a lower inner joint and is available with one or two top outer…
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Apparatus for use in distillation of material such as THF or ether. Storage reservoir has a capacity of 125mL or 500mL. Extremely efficient cold finger coil condenser has a section that is immersed into the distillate. This assures that the distillate is at room temperature instead of the…
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Adapter, 80mm Flange to Sanitary
Chemglass80mm Adapter to sanitary fitting adapter. Provides a convenient way to connect powder charging bags / bulk addition bags and other sanitary fitting accessories to the addition port on Chemglass reaction systems. Approximate overall length is 2.5 " NOTE: Clamp and Seals Must Be Purchased Separately.
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Adapters, Distillation, 75°
ChemglassWith standard taper inner joints at a 75º angle to one another.
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Filter Tubes, Allihn
ChemglassAllihn type filter tube with a 30mm O.D. disc. Height above the disc is 100mm, lower stem is 8mm O.D. x 55mm in length.
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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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Adapters, Connecting, Airfree®, Schlenk
ChemglassA 3-way adapter for the connection of 3 vessels with two top outer joints and a lower inner joint, all being the same size.
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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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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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Ground Joints, Inner, with Hooks
ChemglassInner joint with two hooks 180°; apart just above the grind.
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Adapter, Inlet, Bleed Tubes
ChemglassFor the introduction of gases or liquids during reactions. Bleed tube is 7mm OD X 265mm overall length with a tapered delivery end and capillary tip.
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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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Modified Dean-Stark trap allows for more efficient cooling and separation of the azeotrope during distillation. Graduated from 0 to 10ml in 0.2mL subdivisions. **Design suggested by Dr. Craig Merlic, University of California, Los Angeles, California
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Solvent Reservoirs, Plastic Coated
ChemglassReservoirs used for storing high performance, low pressure liquid chromatography mobile phase. Complete reservoir system includes a plastic coated graduated bottle, a standard cap assembly, and solvent and sparging filters. Cap assembly fits GL45 threaded bottles and has a PTFE bulkhead with three…
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Adapter permits addition of solids into multi-neck flasks in a dry box, or addition of non-air sensitive compounds into flasks while purging with an inert atmosphere. Can handle from 50mg to 1 gram of solids and is made with a drip tube to avoid getting the solids on the joint or the wall of the…
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Midget Bubblers, Graduated
ChemglassMicro 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 nozzle being replaced with an extra coarse fritted gas dispersion…
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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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Heavy wall column, 4.5" long having a sidearm with a 24/40 outer joint. The 24/40 outer joint can be used with an adapter for connection to vacuum source. Adapter has an overall width of 7".
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Cylindrical shaped distillation receiving vessel for use with ChemRxnHub™ benchtop systems for collecting distillate. The top of the vessel has two 0-8 Chem-cap valves with 1/2” OD Swagelock side arms that offer a conventient way to connect the receiver to CG-1975 PTFE tubing and…
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Adapters, Claisen
ChemglassAdapter has a standard taper outer joint at the top of the main tube for use with jointed thermometers. The 10/18 size is used with 10/18, 25mm immersion thermometers while the 10/30 is for use with CG-3506, 75mm immersion thermometers. Sidearm has a standard taper outer joint with main tube having…
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Ground Joints, Outers, with Hooks
ChemglassOuter joint with two hooks 180°; apart just below the grind.
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Dual trap assembly for use with AF-0060 or AF-0061 manifolds. Pre-trap (B) is 51mm OD x 250mm long with 28/15 polished socket joints to connect the line shut off adapter (A) to the main trap stopper assembly (C) which has 28/15 o-ring ball joints. The main trap (D) is constructed using a 57mm flat…