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Attention Thomas Scientific Customers

Due to current pandemic, lead times for PPE items are longer than what is listed on our website. Please expect shipping delays of all PPE products during this time.

  • Iodine Flasks

    Corning

    For the determination of the iodine number of oils, fats and waxes by the Wijs and Hanus methods Flaring, funnel-shaped lip and Standard Taper 22 stopper

  • These jacketed, cylindrical borosilicate glass reaction vessels have four indentations for improved stirring. They are without constriction at the top and have a flat bottom. They feature sturdy walls and a tooled flat flange with a surface ground to assure a tight seal. Jacket has 1/2" hose…

  • SYNTHWARE modified Schlenk flask with a standard taper outer joint and a 0-4 mm high vacuum valve in the side arm. The valve has a PTFE o-ring at the tip. The Kjeldahl shape permits easy transfer of liquids and solids. The lower portion of the flasks fits standard heating mantles to facilitate…

  • SYNTHWARE Schlenk storage tube with a high vacuum valve. The valve has a PTFE O-ring at the tip and a PTFE wiper to protect the O-rings on the shaft. Valve is used to control liquid or gas flow into the vessel.

  • These cylindrical borosilicate glass reaction vessels are jacketed with 1/2" hose connections. They have a tooled flat flange with an O-ring groove for a greaseless seal. Suitable for vacuum operation. Wall thickness is uniform throughout flask. NOTE: Use LG-7316 clamps.

  • Round bottom, HEAVY WALL two neck flask with standard taper outer joints on both the center neck and angled side neck. Flasks with 10/30 side neck are for use with CG-3506 thermometers. The 29/26 center neck flasks have a groove tooled just below the grind to aid in clamping of the flask.

  • 1L or 2L jacketed general purpose bench top reactor system supplied complete with everything necessary for operation. The system is designed so that all wetted surfaces are glass and PTFE for maximum chemical compatibility. A small overall stand footprint and flexible drive shaft combination allow…

  • These jacketed, cylindrical borosilicate glass reaction vessels are without constriction at the top and have a flat bottom. They feature sturdy walls and a tooled flat flange with a surface ground to assure a tight seal. There is a gently sloping contour at junction of side wall and bottom, thus…

  • 3 Neck Flat Flange Reaction Vessel Cover

    Wilmad-LabGlass - SP Scienceware

    Featuring a center neck and two side necks with full length outer Standard Taper joints, this borosilicate glass 3-neck reaction vessel lid/cover has a flat flange. For use with large capacity cylindrical reaction vessels, 2000mL, 3000mL and 4000mL (LG-8082, LG-8084, LG-8085, and LG-8089). Flange…

  • Heavy Wall Buchner Funnels

    Across International

    Ai heavy wall Buchner funnel with course frit, allowing you for vacuum filtering and separating solids from liquids.

  • Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center neck and 20º angled side necks. For Larger Flasks See CG-1524.

  • SYNTHWARE transfer/storage flask for long term storage of deoxygenated solvent. Recovery of solvent is done thru the valve body using a cannula or syringe.

  • Rugged cylindrical reaction flask and head with Duran, flat, ground 4" flange with O-Ring groove and integral heating element that eliminates the local superheating commonly associated with more conventional heating methods and eliminates cumbersome and dangerous oil baths. Response is rapid and…

  • Cylindrical Reaction Vessels with Flat Flange

    Wilmad-LabGlass - SP Scienceware

    These borosilicate glass cylindrical reaction vessels are without constriction at the top and have a flat bottom. They feature sturdy walls and a tooled flat flange with a surface ground to assure a tight seal. There is a gently sloping contour at junction of side wall and bottom, thus preventing…

  • Overflow measuring flasks are a simple and very precise way to conform to fixed volume instructions. They are available in different sizes for different measuring ranges with the respective sample volumes.

  • Pressure Vessel, Heavy Wall, Cylindrical, Synthware, Capacity: 15-120mL available, GL Thread Size: 15, Vessel has an internal thread for use with PTFE bushing, O-ring is positioned above the thread for inproved sealing.

  • 3 Neck Reaction Vessel/Kettle Cover

    Wilmad-LabGlass - SP Scienceware

    Featuring a center neck and two side necks with full length outer Standard Taper joints that are 180° apart, these borosilicate glass reaction vessel lids have a conical flange. The bottom part of lid is finely ground for a leak-proof fit with flask. LG-8030 is used on cylindrical or…

  • Round bottom, heavy wall, pressure rated flask. All flasks come complete with a solid PTFE plug seal with front seal FETFE o-ring for better containment of product. Vessels are tested at 1.5x for a working pressure rating at 60PSI at 120°C. Flasks

  • Flat bottom borosilicate flask for use with Labconco and Virtis freeze dryers. Wide mouth design provides easy access sample. PLEASE NOTE: FLASKS ONLY. NOT SUPPLIED WITH RUBBER TOP, FILTER OR O-RING. Note: Labconco and Virtis are not related to or affiliated with Chemglass, and…

  • Cylindrical Reaction Kettles

    Wilmad-LabGlass - SP Scienceware

    Cylindrically shaped, the upper end of these borosilicate glass reaction kettles are tooled to obtain a thickened portion and flat top.The finely ground tops create a leak-proof fit with covers LG-8030 to LG-8050, ML-1285 and ML-1286.

  • Pressure Vessel, Round Bottom, Synthware, Capacity: 75, 15, or 350mL available, OD: 46-80mm available, Length: 129-162mm available, GL Thread: 15 or 25 available.

  • Cylindrical Reaction Vessels with O-Ring Flange

    Wilmad-LabGlass - SP Scienceware

    These borosilicate glass cylindrical reaction vessels have a tooled flat flange with an O-ring groove for a greaseless seal. Suitable for vacuum operation. Wall thickness is uniform throughout flask. Note: Use LG-7316 clamps.

  • Head, Duran Flange

    Ace Glass

    Product family consisting of large spherical flasks and the heads that complement them. Flasks that feature a bottom outlet have descriptions that state the outlet's type, otherwise the flask has no outlet.

  • SYNTHWARE modified Schlenk flask with a standard taper outer joint and a 2mm bore PTFE stopcock in side arm. The Kjeldahl shape permits easy transfer of liquids and solids. The lower portion of the flasks fits standard heating mantles to facilitate heating and stirring.

  • Fat Extraction Flask, 25 mL

    DWK Life Sciences (Kimble)

    Settling chamber capacity: 25 mL Extraction chamber diameter: 35 mm Top opening has pouring lip and is tooled for a#0 stopper.

  • Iodine Flasks

    DWK Life Sciences (Kimble)

    Iodine flask with size 22 stopper Size 22 PTFE standard taper stopper is included A durable matte-finish ceramic enamel marking spot takes writing and erases easily Designed from ASTM Specification E1404, Type II, Class 3 requirements

  • Spherical, jacketed reaction flask with 100mm (4") flat flange top. Jacket inlet/outlets available with either tangentially sealed 28/15 o-ring ball joints or with Ace-Thred connections. Use 6496-10 clamp to secure head to flask.

  • Round bottom storage flask which can maintain dry, grease-free and deoxygenated solvent storage for long periods of time. Unique design permits filling of the flask using a 24/40 inlet off of a vacuum line and recovery of the solvent via a cannula or syringe through the valve body.

  • 4 Neck Flat Flange Reaction Vessel Cover

    Wilmad-LabGlass - SP Scienceware

    Featuring a center neck and three side necks with full length outer Standard Taper joints, this borosilicate glass 4-neck reaction vessel lid/cover has a flat flange. Use LG-7316 clamps. NOTE: LG-8087 is designed to be used with LG-8080, LG-8084, LG-8085, and LG-8089 cylindrical reaction vessels.

  • Flat bottom flask featuring a single, short neck with a standard taper outer joint.,/p>

  • SYNTHWARE round bottom single neck reaction flask with a standard taper outer joint and a high vacuum valve sidearm. Useful for sample storage or simple reactions. Valve plug may be removed to sample from the flask while an inert gas purge is passed through the sidearm.

  • European style, tapered walls with shallow bottom for more efficient magnetic or mechanical half-moon shaped paddle stirring. Supplied with center neck, two side necks. Available with 1 additional #7 Ace-Thred or 2 additional #7 Ace-Threds complete wit

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