Glass, Supplies, Glass Joints, Chemglass
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Ground Joints, Inner, with Hooks
ChemglassInner joint with two hooks 180°; apart just above the grind.
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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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NMR Tube, Cleaner, Morris
ChemglassThe Morris NMR tube cleaner is an inexpensive, durable apparatus which will clean 5 or 10mm NMR tubes with as little as 10mL of solvent in one easy operation. Cleaner does not require a stopper on the NMR tube and does not have a fragile side arm. Complete item is supplied with a NMR tube washer,…
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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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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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Adapters, Thermocouple
ChemglassAdapter has a Chem-Thread at the top to make a vacuum tight seal. It will accept our 1/8 or 1/4in OD thermocouple probes. Lower portion of the adapter is reduced down to hold the thermocouple securely in place and away from the agitators. Supplied complete with a Celcon cap and Viton o-ring.…
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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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Gas Evolution Measurement Apparatus
ChemglassApparatus provides a convenient and accurate method for the determination of the concentration or purity of active metals and metal hydrides. Metals and metal hydrides that can be analyzed in this manner include borane-methyl sulfide complexes, borane tetrahydrofuran, sodium and lithium as…
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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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Adapters, Connecting, Enlarging
ChemglassUsed to connect dissimilar standard taper joint sizes. Lower inner joint is smaller in size than the top outer joint.
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Adapters, Thermometer, Inlet
ChemglassAdapter has a tubulation at the top for use with a CG-1040 rubber fitting. Fitting permits insertion of plain stem thermometers or bleed tubes. Supplied complete with one CG-1040 rubber fitting.
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Adapters, Distillation, 75°
ChemglassWith standard taper inner joints at a 75º angle to one another.
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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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Similar to the AF-0072 adapter, but with two #15 o-ring joints. Available in 0-4mm, 0-8mm or 0-12mm valve sizes. Each adapter is supplied complete with (2) #116 Viton o-rings.
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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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Distilling Column, Vacuum Jacketed
ChemglassHemple style distilling column, vacuum jacketed to improve performance. Indentations on the inner tube support the packing material. All sizes have an I.D. of approximately 10mm.
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Adapters, Offset
ChemglassWith top outer and lower inner standard taper joints. Offset dimension listed is center to center of the joints.
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Adapters, Bushing, PTFE
ChemglassBushing style adapter having a lower standard taper inner joint and outer joint ground in the bore of the adapter. Adapters having a 10/18 or 10/30 outer member in the bore are used to insert thermometers into apparatus. Similar to CG-1016, but made entirely of PTFE.
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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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Glass mosquito feeder, Similar to CG-1835, but with a larger feeding surface. Mosquito feeding area is 50mm diameter. The outer chamber is for circulating 37°C water and an inner chamber into which the blood is injected. Parafilm™ is stretched over the lower portion of the inner chamber.…
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Adapters, Connecting, Reducing
ChemglassUsed to connect dissimilar standard taper joint sizes. Lower inner joint is larger in size than the top outer joint.
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Adapters, Connecting, Airfree®, Schlenk
ChemglassAdapter has two #15 o-ring joints connected in-line via a Chem-Cap® valve. Available with either 0-4mm or 0-8mm valve sizes. Each adapter is supplied complete with two #116 Viton o-rings.
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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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Drying Tube, 75° Degree
ChemglassThe 75º angle drying tube is for use in fume hoods where space is at a minimum. Supplied complete with rubber stopper, glass inlet tube, and a lower inner joint.
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Outer Joints, Dewar Seal
ChemglassUsed in construction of apparatus requiring the outer member to be jacketed. Configuration of flare permits seal to be made without having to regrind the joint.
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Distilling Head, Short Path, Improved
ChemglassSimilar to CG-1239, but with the condenser being a combination of a cold coil and Liebig. Water flows into hose connection “A” through the coil and exits the outer jacket through hose connection “B”. Head is excellent for use when distilling medium to high boiling point…
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Replacement flange compatible with Buchi condensers and rotary evaporator flasks.
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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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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-1241 but with the Vigreux column vacuum jacketed to improve distillation performance.