Chemglass

Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center neck and vertical side necks. Flasks with 29/26 center necks have a groove tooled just below the grind to aid in clamping of the flask.

Easily remove dried-on solids from the interior walls of round bottom flasks without scratching or harming your flask! Stainless steel and PTFE for rapid sample removal Choose from seven sizes - for 100mL thru 5L round bottom flasks Laser etched as to size and part number Available Individually, in...

Vacuum 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 makes...

Amber sample vials packaged in convenient LAB-PACS of 144 pieces. Made from Type I borosolicated glass. Full height partitions minimize breakage. Solid PTFE lined caps. Open top caps with septa are available under part number CG-4910.

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...

Round bottom 2-neck flask having standard taper outer joints, both being of the same size. Available with a choice of a 2mm high vacuum glass stopcock having a S.S. constant pressure retaining device or a 0-4mm Chem-Cap® Airfree® inlet valve. Side neck can be fitted with a CG-3022 septum...

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.

Round bottom, HEAVY WALL single short neck flask with a standard taper outer joint. The 29/26 flasks have a groove tooled just below the grind to aid in clamping of the flask. Please note: There are separate listings for different capacity single neck round bottom flasks.

Cylindrical shaped tube useful for storage or simple reactions with a standard taper outer joint at the top and a Chem-Vac™ Chem-Cap® valve sidearm. Plug may be removed for sampling from tube while a purge of inert gas is maintained through the sidearm. Valve size is as listed.

Adapter 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.

Cylindrical style addition funnel with a PTFE adjustable bore metering plug. Turning the adjustment knob allows flow rate to be controlled from dropwise to full flow. For replacement stoppers see CG-3000.

Cover slips are manufactured from Float Glass, #1 thickness (0.13 to 0.17mm). Sold in packages of 1oz.

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

Similar to CG-1320-E, but with the addition of (2) 4mm drain holes at the base of the inner tube to allow solvent to drain back into the evaporation flask. Rotary evaporator bump trap is used between the vapor tube and evaporation flask on a rotary evaporator to prevent contents of the flask from...

Trap provides protection of vacuum gauges from particulates which contaminate the mercury when the gauge is vented to the atmosphere. Supplied packed with glass wool. Hose connections have a 9mm OD at the middle serration.

Allows for flexible tubing to be connected to apparatus for introduction of vacuum or pressure. Hose connection has an O.D. of 10mm at the largest serration.

Adapter has the listed size of Chem-Thread at the top for a vacuum tight seal of a variety of tubing diameters. Will accept glass, metal or heavy wall plastic tubes having diameters between 7 to 18mm O.D. such as thermometer wells, gas dispersion tubes, plain stem funnels, etc. Adapters are supplied...

Non-calibrated tubes made from borosilicate glass for use with aqueous and organic solutions. Packed in half pound packages. Tubes are 1.0-1.1mm OD x .66-.70mm ID.

For fastening a temperature sensor / probe with a boss head to the vertical support rod on a hotplate. Air driven stirrer for use whenever the use of an electrical stirrer might be hazardous or impractical. Ideal for mixing all types of solvents, lacquers and volatile chemicals without the...

Tube is manufactured from borosilicate glass and packaged 100 tubes per vial. The Code -02 has a smaller I.D. to conform to U.S.P XXI requirements.

Distillation adapter with a top outer standard taper joint. Tapered delivery tube is bent at a 105º angle to the outer joint and extends into open receivers.

Stirrer blade made of 1/8" thick solid PTFE for use with both Chem-Stir™ and button style stirring shafts having a 10mm OD.

Standard opening screw thread vials contain a narrow opening allowing the use of GPI 8-425 closures and septa. This vial is designed to work in a variety of auto samplers requiring narrow neck vials. Available with graduated marking spots and silanized.

Suba-Seal® septa are a flanged stopper with a hollow plug and sleeve extension that folds down over the neck of the vessel. In addition to the pull over sleeve, Suba-Seal® stoppers have a series of annular serrations on the plug portion of the septa. Each of these serrations depress along...