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  • Porous discs for use in fabrication of special glass apparatus. Available in F, M, C and XC porosities. Pressure Limits: Fritted glassware is designed for low pressure vacuum filtration or gas flow. The MAX differential pressure should not exceed 15 PSI. Thermal Limits: Fritted glassware…

  • Micro 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…

  • Dean-Stark receiver used for determining the water content of various materials. Can be used with ASTM Method D-95 along with similar ASTM methods. The 10mL size has subdivisions of 0.1 from 0 to 2mL, and 0.2 from 2 to 10mL. The 25mL size has subdivisions of 0.1 from 0 to 2mL and 0.2 from 2 to 25mL.

  • Glass mosquito feeder with an outer chamber for circulating 37°C water and an inner chamber into which the blood is injected. Mosquito feeding area is 14mm diameter. Parafilm™ is stretched over the lower portion of the inner chamber. The assembled feeder is held on top of the screened…

  • Porous fused quartz discs. Porosity sizes are as listed and differ from porosities of borosilicate discs.

  • Distilling Heads

    Chemglass

    Simple 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…

  • Designed to maintain distilled solvents in an inert atmosphere. Top of main vapor tube is open and an additional vapor tube has been added to decrease risk of pressure buildup. Upper sampling port has a 4mm PTFE stopcock with a 14/20 outer joint for use with CG-3022 septa. Lower drain is centered…

  • Three 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.

  • Modified Dean-Stark receiver designed for solvents that are either lighter or heavier than water. The lower three-way PTFE stopcock allows for the withdraw or return of the distillate during the distillation process. With a 10/30 outer joint on the top of the vapor tube for a 3” immersion…

  • For 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…

  • 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.

  • Adapter has a 0-4mm Chem-Vac™ Chem-Cap® valve between the top outer and lower inner joints, both of which are the same size. Available in two configurations: Style "A" having the valve mounted in-line, while Style "B" has the valve 90º to the joints with a brace…

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

  • 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…

  • Made to ASTM Specifications E677.

  • Hollow fritted cylinder at the end of an 8mm O.D. tube. Cylinder is approximately 12mm O.D. x 20mm long. Overall length is approximately 10 inches.

  • Standard taper inner joint to sanitary fitting adapter. Provides a convenient way to connect sanitary fittings and adapters to Chemglass reaction systems. Approximate overall length is 4&"; (102mm). NOTE: Clamp and Seals Must Be Purchased Separately.

  • 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.

  • 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.…

  • Micro 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 CFM of…

  • Jacketed distilling column has indentations on the inner tube to support packing material. The jacket allows the column to be used as a condenser. Column has a top outer and lower inner standard taper joint. All sizes have an I.D. of approximately 10mm.

  • Jacketed fractionation distilling head for use under vacuum. The 10/18 top outer joint is for a 1” immersion thermometer while the 10/30 joints are for a 2” immersion thermometer. The 24/40 joint size uses 4mm glass or PTFE stopcocks, and are positioned to permit changing of receiver…

  • Adapter used for reduced pressure filtration with plain stem buchner funnels. Top has a HEAVY DUTY tooled flare to accept the listed size pluro stopper. Hose connection is 10mm OD at the largest serration. ADAPTER IS NOT SUPPLIED WITH RUBBER PLURO STOPPER. CG-1052-A-14 Accepts up to…

  • Tube is designed for the collection and storage of gas samples. The 125mL has a sidearm O.D. of 9mm, the 250 and 500ml have a sidearm O.D. of 13mm, but with the addition of a syringe sampling port for use with a CG-3022-05 or CG-3022-22 septa. Supplied complete with one CG-3022-05 red rubber septa.

  • Adapters simplify the transfer of powders/solids from flasks into vials. PTFE adapters have a knurled gripping ring at the top to facilitate removal of the adapter from the flask joint. Adapters are available to accommodate sample vials (GPI threads) and scintillation vials (22mm threads). Allows…

  • 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…

  • Adapters, Luer

    Chemglass

    Adapter allows for 1/8" OD PTFE tubing to be connected to glassware via a standard taper joint. Useful with vacuum manifolds or any other air sensitive transfer applications. Adapter can also be used with standard luer lock stainless steel needles; See CG-3075. Adapters are supplied with a…

  • 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.

  • 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.

  • A .002in thick PTFE sleeve for standard taper joints provides a grease-free seal. Sold in packages of 3 each.

  • Unique design of bubbler allows for fine control of purge gas within an inert gas system such as a manifold. Purge gas enters bubbler through hose connection (A) and exits thru connection (B) which is connected to manifold. The large capacity of the main chamber (C) allows for rapid purging with…

  • Kugelrohr bulbs having 14/20 standard taper joints on both ends to connect to other bulbs or single neck round bottom flasks. CG-1012-14 adapter permits connection of Kugelrohr assembly to vacuum. For single neck 14/20 flasks see CG-1506.

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