Chemglass Lab Glassware
-
Adapters, Female Luer Locks, Vacuum
ChemglassAdapter 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…
-
Compact and simple distilling/splitter adapter for use with Chemglass process reactors. Vapor flows upward freely through the large vapors holes to the condenser. Distillate flow is directed using the valve to either the receiving flask or back to the reactor. Control valve is either a 0-4mm or a…
-
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.
-
Adapters, Claisen, Modified
ChemglassClaisen style adapter with an additional standard taper outer joint at a 45° angle to the vertical outer joint.
-
Similar to CG-1293 but with the addition of a top standard taper outer joint of the same size as the lower inner joint.
-
Micro round bottom flask with a 14/10 threaded outer joint. Supplied complete with an open-top screw cap (MW-102-33) and Viton O-ring (MW-100-08).
-
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.
-
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…
-
-
Drying Apparatus, Abderhalden, Modified
ChemglassModified Abderhalden drying apparatus with a 57mm flat o-ring connection between the desiccant flask and the drying chamber to permit easy sample removal after drying. The drying chamber has an I.D. of 2” and is 8” long. The desiccant flask has a 4mm glass stopcock and a serrated…
-
Adapters, Distillation, 75°
ChemglassAdapter has a #7 Chem-Thread at the top for vacuum tight seal of plain stem thermometers. With the same size inner joints on the bottom and sidearm at a 75º angle to one another. Supplied complete with a compression cap and Viton o-ring. FOR THERMOMETERS SEE CG-3503.
-
Similar to CG-1241 but with the Vigreux column vacuum jacketed to improve distillation performance.
-
Drying Towers
ChemglassCylindrical shaped drying tower has a 34/28 ground glass stopper. The stopper has a hole coinciding with a serrated hose connection sealed in the outer portion of the stopper neck and a second hose connection near the base of the cylinder. A hex base is sealed to the bottom of the tower for added stability.
-
Flange is formed with a groove in the flat portion of the mating surface to accept an O-Ring. The flange also has a ground surface, permitting assembly with either the CG-148 flat flange or CG-149 lid blank using grease. In the greased application, the O-Ring groove prevents grease from entering…
-
Radial style distillation receiver allows four flasks to be progressively filled. Upper vacuum adapter is bent at a 105° angle.
-
NMR Tube Cleaner, Wong
ChemglassDesign 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…
-
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
-
-
-
Vapor tube/bump trap adapter is designed to be used with the Büchi® R-200/205 rotary evaporators. This adapter combines a vapor tube adapter and a bump trap. Trap has an extra coarse fritted disc sealed between the lower inner joint and the top flange. Adapters have a 50mm OD top flange…
-
Gas Dispersion Tube, Fritted
ChemglassHollow 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.
-
Adapter has a #15 o-ring joint with a 0-4mm 1-Arm Chem-Vac™ Chem-Cap® valve. Side arm is 9mm OD medium wall tubing for use with 3/8" Cajon® connections. Approx overall height is 100mm. Each adapter is supplied complete with one #116 Viton o-ring.
-
Adapters, PTFE, Bellows
ChemglassAdapter is constructed completely of PTFE and is ideal for eliminating stress between standard joints. Can be bent up to 120º. Top outer and lower inner are of the same size.
-
Adapters, Airfree®, Schlenk
ChemglassAdapter allows standard single neck round bottom flasks to be used as storage vessels. Sampling can be accomplished by removing 0-4mm Chem-Vac™ Chem-Cap® plug while maintaining inert gas purge thru sidearm. Available with a choice of 14/20 or 24/40 standard taper inner joint.
-
Still head in 125mL or 500mL capacity for use in re-purification of solvents under inert atmosphere. One-piece design of condenser and storage reservoir eliminates multiple connections usually associated with distillation setup. 0-4mm Chem-Vac™ Chem-Cap® valves provide for grease-free,…
-
Adapters, PTFE, Universal, Inlet
ChemglassUnique 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.…
-
Plate Glass, Disc, Borosilicate
ChemglassPyrex® or Duran® borosilicate glass disc.Edges on all sizes are ground and chamfered.
-
Extractors, Liquid-Liquid, Continuous
ChemglassExtractor designed for EPA priority pollutant samples where the extracting solvent is heavier than water. For samples of 1 liter plus approximately 200mL of extracting solvent. Extractor has a 45/50 top outer joint and a 24/40 inner joint on the uptake tube. Flask and condenser must be ordered separately.
-
Bubbler, In-Line, Airfree®, Schlenk
ChemglassUsed to monitor gas flow to reactions while providing a vent to the atmosphere. Bubbler has a "T" connection at the top to allow it to be mounted in-line while the reservoir head prevents oil from being sucked back into the system. Volume below the sidearm is approx 40mL. Bubbler has 8mm…
-
Adapters, pH Probes
ChemglassAdapter permits CG-1872 series pH electrode (12mm OD) to be inserted either directly into smaller reactors or down through a CG-1872-B baffle. CG-1872-A-01 compression 24/40 joint adapters are to be used with the CG-1872-01 and CG-1872-02 electrodes/probes. The adapter allows use of these probes…
-
Features: Available in Square or Rectangular Shapes, with Open Bottom PTFE Joint is Offset Permitting Baffle to be Adjusted up to 1" Towards the Center of the Reactor Baffle Can Be Vertically Adjusted Inside Reactor Hollow Baffles Allow pH Electrodes to be…
-
Ground Joints, Outer, Medium Length
ChemglassStandard taper outer joint tooled on the same diameter tubing as the CG-104 inner joints.