Chemglass Lab Flasks
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Flask has a #15 o-ring joint on the sidearm and a Chem-Vac™; Chem-Cap®; valve to control gas or liquid flow into the vessel. All sizes are of heavy wall construction, and are used with AF-0060 and AF-0061 manifolds or any other Airfree® component with a #15 o-ring joint. Supplied…
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Flasks, Quartz, Flat Bottom, Single Neck
ChemglassSingle neck, flat bottom, quartz flask with standard taper outer joint.
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Shake Flasks, 6 Baffles, Delong Neck
ChemglassFlask has 6 baffles, 3 baffles on the lower outside edge of the flask and 3 baffles on the bottom surface of the flask to maximize oxygen transfer to the culture medium when used on an orbital shaker. Delong style neck is made to fit stainless steel or plastic closures, while the longer neck…
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Round bottom, HEAVY WALL, three-neck flask with standard taper outer joints on the center and side necks. Entire body of the flask is jacketed and has two hose connections for circulation of heating or cooling liquid.
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Flasks, Dewar, Low Form, Foam
ChemglassFeatures: Increased SAFETY- Unbreakable Lightweight Design Each Dewar is Supplied with a Lid Patented Closed Cell Foam Construction (USPTO # 7,971,744) Lower Boil Off and Consumption of Liquid Nitrogen Patented foam dewars provide a safe and durable vessel for handling…
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Round bottom, HEAVY WALL, four-neck flask with standard taper outer joints on the center neck and vertical side necks. The third neck is a 10/30 outer joint for use with a CG-3506, 10/30 jointed thermometer. Flasks with 29/26 center necks have a groove tooled just below the grind to aid in the…
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Similar to CG-1600 but with the addition of a mixing bulb between the calibration line and the stopper. The mixing bulb contains approximately one tenth of the flask capacity and aids in the mixing or dissolving of the flask contents. Supplied complete with one solid glass pennyhead stopper. For…
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Manufactured from borosilicate glass these wine testing volumetric flasks have wide bases and a flat bottoms for stability. Flask neck is graduated in 1mL subdivisions from 680 to 780mL. The long neck is calibrated To Contain at 20°C and markings indicate the volume of liquid when filled to…
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Flasks are manufactured to conform to Federal Specifications NNN-F-289 for Type 1, Class" A" unserialized flasks and ASTM E-288. Supplied complete with one closed bottom polyethylene stopper. For additional stoppers, see CG-8740. NOTE: THE CG-1602-20 CONFORMS TO ISO 1042, DIN 12664…
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Quadruple baffled Erlenmeyer flasks are sterile, non-pyrogenic and manufactured with polycarbonate resin. Flasks are supplied with either exclusive DuoCap® designed for both aerobic and anaerobic applications (for aerobic applications the cap utilizes a 0.22µm pore size PTFE membrane for…
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Unbreakable Dewar flask is made entirely of Stainless Steel. Dewar flask has many flexible laboratory applications including cooling of small samples and as an insulating flask. Furthermore, it can be used for storage & transport of liquid nitrogen LN2, dry ice CO2, and…
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Kuderna-Danish Flasks
ChemglassLower body of flask has a hemispherical shape to afford continuous flow of heavier fractions to concentrator tube during reflux. Top joint is a 24/40 outer while the lower joint is a 19/22 inner. Available with and without hooks on the lower 19/22 inner joint.
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Kjeldahl shape facilitates heating and stirring while permitting easy transfer of liquids or solids. Lower portion of flask fits standard heating mantles. 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®…
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Glassblowers Flask Blanks, Round Bottom
ChemglassBlanks for fabrication of single or multi-neck round bottom flasks. NECK IS UNFINISHED, FLASK CANNOT BE USED WITHOUT MODIFICATION OF NECK.
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Flasks, Heavy Wall, Apollo, Single Neck
ChemglassHEAVY WALL single neck flask with a standard taper outer joint. Low profile design allows the flask to sit upright on the bench and also permits easy access of products with a spatula or policeman. The flask contour is excellent for controlled evaporation of foaming solvents during rotary evaporation.
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Low actinic red stained glass provides protection to light sensitive solutions. Allowing less than 1% transmission below 400nm and 5% from 400-600nm. Wide mouth design facilitates mixing, pipette access, sampling and filling. Unique Flat Bottom Interior permits the use of a standard stir bar. Large…
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Replacement vessel is supplied with black phenolic, rubber lined caps for the 18mm side arms, polypropylene caps and pouring rings for the GL-32 and GL-45 side arms.
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Baffle indents on the lower outside edge of the flask to help oxygen transfer to the culture medium when used on an orbital shaker. Delong style neck is made to fit stainless steel or plastic closures, while the longer neck reduces the amount of splashing that would reach the closure.
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Flask has 6 baffles, 3 baffles on the lower outside edge of the flask and 3 baffles on the bottom surface of the flask to maximize oxygen transfer to the culture medium when used on an orbital shaker. Gray polypropylene vented cap has a 0.22µm (PTFE) hydrophobic membrane to allow gas exchange…
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Round bottom, HEAVY WALL, four neck flask with standard taper outer joints on the center and 20º angled side necks.
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Wide mouth design facilitates mixing, pipette access, sampling and filling. Unique Flat Bottom Interior permits the use of a standard stir bar. Large permanent white letters make the capacity clearly visible. Flasks are calibrated "To Contain" at Class A tolerances, per ASTM E288…
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Flasks, Heavy Wall, Pear-Shaped, 3-Necks
ChemglassPear shape, HEAVY WALL 3-neck flask with standard taper outer joints on the center and 20º angled side necks.
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Heavy wall, wide mouth flask with a GL80 glass thread and a 24/40 connecting adapter. Flasks have a heavy wall for vacuum applications and are balanced to prevent run-out during rotation. Unique design makes it easier to handle highly viscous liquids, powders, and solids. The large opening permits…
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Flasks, Micro Volumetric, Class A
ChemglassClass "A" micro volumetric flask calibrated to contain. With 14/20 top outer joint and supplied complete with a CG-3000 14/20 hollow stopper. Flasks have hex base for stability and a V shaped interior bottom for total sample retrieval.
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Flasks are manufactured to conform to Federal Specifications NNN-F-289 for Type 1, Class "A" unserialized flasks and ASTM E-288. Supplied complete with one solid glass pennyhead stopper. For additional stoppers, see CG-3018.
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Round bottom, HEAVY WALL, five-neck flask with standard taper outer joints on the center neck and vertical side necks.
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Spinner Flask
ChemglassWater jacketed, flat bottomed spinner flasks consist of a water jacketed spinner flask, manufactured from Type 1 Class A borosilicate glass. Flasks are typically used with a circulating water bath. Jacket volumes are approximate and flasks are not graduated. Note: Paddle and Cap assembly are…
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Flasks, Flat Bottom, Long Necks
ChemglassSingle neck, flat bottom flask with a standard taper outer joint.
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Similar to CG-1512 recovery flasks, but plastic coated to prevent injury from broken glass and spillage of hazardous materials.
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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.
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Fernbach Without Baffles Flasks
ChemglassFlasks are designed for culturing organisms that require a large surface area to volume ratio. Available with a plain 59mm ID neck, 38mm OD Delong style neck or GL-45 screw neck supplied with a vented cap.
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Round bottom, HEAVY WALL single short neck flask with a standard taper outer joint. Flask has two hooks 180°; apart for use with CG-110 stainless steel springs.