Glass

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  • Heavy wall pressure vessels have an internal thread for use with PTFE bushings as pressure seals. The unique design allows hand tightening and loosing for easy access into the vessel. O-ring is positioned on the bushing above the thread for improved sealing. Vessels are useful for pressure…

  • Adapter used for reduced pressure filtrations using plain stem buchner funnels. Stopcock permits control of vacuum source. Top of adapter is tooled to accept the listed size of pluro-stopper. NOTE: ADAPTER IS NOT SUPPLIED WITH RUBBER PLURO-STOPPER, SEE CG-1401

  • Pyrex® or Duran® borosilicate plate glass. The 1/16in, 1/8in and 1/4in thick plates have edges that are cut and swiped. The 1/2in thick and over have ground edges.

  • Reservoirs 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…

  • Pyrex® or Duran® borosilicate glass disc.Edges on all sizes are ground and chamfered.

  • Inner standard taper joint with the opposite end tooled to fit a CG-3022-05 or CG-3022-22 rubber septa. Supplied complete with one each rubber septa.

  • Adapters for use with AF-0060 thru AF-0062 vacuum manifolds that permit the manifold to be utilized with a multitude of standard glassware or tubing products. The AF-0070 adapters are to be used with either a Cajon® fitting on the main ports or at the ends of the manifold with heavy wall rubber…

  • Similar 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…

  • Full or medium length standard taper inner joint having a drip tip. Joints are available uncut or with the drip tip being cut at a 45° angle. Tooled on the same tubing sizes as the CG-100 inner joints.

  • Vigreux style column with indentations that run the entire length of the column for improved vapor-liquid contact. Column length refers to the effective length, measured from the lowest to highest indent in the column. Column has a top outer and lower inner standard taper joint.

  • Used to connect dissimilar standard taper joint sizes. Lower inner joint is larger in size than the top outer joint.

  • The 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,…

  • Adapters 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…

  • Standard Taper ground Inner Joint, Full Length.

  • With standard taper inner joints at both ends.

  • Standard taper outer joint tooled on tubing approximately the same diameter as the top reinforcing ring, affording no hold-up below joint.

  • Made to ASTM Specifications E677.

  • Adapter has a #7 or #15 Chem-Thread at the top for vacuum tight seal of plain stem thermo-meters or any other tube having an O.D. between 4 and 7mm. Supplied complete with a Celcon® compression cap and Viton o-ring.

  • PTFE adapter for use with either 1/8"; or 1/4"; thermocouples. Adapter has an outer Viton® o-ring to form a grease-free, airtight seal between the adapter and the listed size of outer joint. The compression nut works in conjunction with the upper Viton® to provide a airtight seal…

  • PTFE adapter for use with either 1/8"; or 1/4"; thermocouples. Adapter has an outer Perfluoro o-ring to form a grease-free, airtight seal between the adapter and the listed size of outer joint. The compression nut works in conjunction with the upper Perfluoro o-ring to provide a airtight…

  • Apparatus 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…

  • Unique adapter is made entirely of PTFE and is supplied complete with a series of 5 all PTFE ferrule style cones. These cones have inside diameters that run from 3.5 to 6.5mm and seal against the inserted tube by means of a threaded compression screw. Cones are color coded for easy identification.…

  • Specialty Joints

    Chemglass

    Standard taper inner and outer lengths tooled on longer lengths or different sizes than normally available under part numbers CG-100 through CG-105. These joints offer the glassblower the opportunity to construct apparatus made of heavier tubing or without unnecessary seals.

  • Designed 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…

  • Design permits the cleaning of four NMR tubes at the same time. With solvent in the reservoir, rapid suction wets the inside of the NMR tube dislodging the contamination. An acetone wash followed by an air stream dries the tube in seconds. Rate of cleaning is approximately 4 tubes per minute. The…

  • Cajon® adapters provide the flexibility of rubber tubing and are the ideal replacement for rubber, plastic, or glass tubing in critical vacuum applications. Connections compensate for misalignment, expansion and contraction; they are compressible by at least 20%, and they are extendable by 50%…

  • Vacuum jacketed Vigreux distillation head having a sealed on condenser, braced for strength. The top outer joint is for a 1” immersion 10/18 or 10/30 thermometer. Vacuum adapter has an inner joint and a sealed in drip tip. Condenser length is 100mm on the 14/20 size and 200mm on the 24/40 and…

  • Joint has an o-ring groove to accept the listed o-ring size. Provides for a grease-free, vacuum seal when used with CG-150 clamps. Each joint is supplied with a Viton o-ring of the listed size.

  • Adapter used for reduced pressure filtration with plain stem buchner funnels. Top is flared to accept the listed size pluro stopper. The hose connection has an O.D. of 10mm at the largest serration. ADAPTER IS NOT SUPPLIED WITH RUBBER PLURO STOPPER, See CG-1401.

  • Adapters 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.

  • With standard taper top outer and lower inner joints with sealed in drip tip. Adapter is bent at a 105° angle for use in vacuum distillation. Serrated hose connection has an O.D. of 10mm at the largest serration for connection to vacuum source.

  • Adapter 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 10/30, 75mm immersion thermometers. With inner joints on the bottom and sidearm at a 75º angle…

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