Chemglass Lab Flasks
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Round bottom, HEAVY WALL single short neck flask with a spherical socket joint. Flasks having a 35/20 socket joint are used as replacements for the collection flask on rotary evaporators.
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Round bottom single neck flask having a standard taper outer joint. 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.
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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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Extra deep baffle indents on the lower outside edge of the flask to maximize oxygen transfer to the culture medium when used on an orbital shaker.
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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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Flasks, Erlenmeyer, Stopper Tops
ChemglassErlenmeyer flask with standard taper stopper top. Available with or without stopper. For stoppers only see CG-3018.
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Flasks, Filtering, Heavy Wall
ChemglassHEAVY WALL Erlenmeyer shaped filtering flask with standard taper outer joint. For stoppers see CG-3000.
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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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ADAPTERS, CLAISEN, MINUM-WARE®, Useful for addition of reagents to moisture sensitive reactions. Lower inner and top outer threaded joints all are 14/10 size. Supplied complete with two open-top screw caps (MW-102-33), PTFE faced septa (MW-104-33) and Viton o-rings (MW-100-08). CONDENSERSS,…
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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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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.
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Water jacketed, flat bottomed spinner flasks consist of a water jacketed spinner flask, manufactured from Type 1 Class A borosilicate glass, and a microcarrier style impeller with glass shaft that extends through the cap and PTFE paddle. Flasks are typically used with a circulating water bath.…
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Flasks, PFA, Round Bottom, Three Neck
ChemglassAll PFA three neck round bottom flask with standard taper outer joint center neck and two additional 20° angled side necks. Allows assembly with a temperature probe, electrode or tube. Flask can withstand MAX temperature of 250°C and a MIN temperature of -200°C.
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Heavy Wall blanks are 30% heavier than our standard CG-618 series. Blanks are used in the fabrication of single or multi-neck round bottom flasks. NOTE: NECK IS UNFINISHED, FLASK CANNOT BE USED WITHOUT MODIFICATION OF NECK.
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Internal Large Impeller Spinner Flasks
ChemglassMicroCarrier spinner flasks with larger paddle design promotes increased optimal growth of suspension and microcarrier cultures. Indented bottom (100mL thru 1000mL) promotes mixing action under the impeller paddle. The 3L version does not have a dimple. The complete system includes a flask with two…
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Heavy wall round bottom three neck flask with standard taper outer joints on center and side necks. Lower outlet is a CG-911-A extended tip which fills the seat area and permits total agitation of the contents of the flask. Once opened the contents of the flask will drain through the sidearm. The…
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Lower half of flask has a jacket permitting heating or cooling of the contents with fluid from a constant temperature bath. The unique design of the Chem-Drain valve incorporates a PTFE plunger that allows the contents of the flask to drain directly through the bore of the plunger. When closed,…
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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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3 Baffles Vented Cap Shake Flasks
ChemglassFlask has 3 baffles on the lower outside edge of the flask to maximize oxygen transfer to the culture medium when used on an orbital shaker. The polypropylene vented caps have a 0.22µm (PTFE) hydrophobic membrane to allow sterile gas exchange while preventing contamination. Since these caps…
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Round bottom, HEAVY WALL flask with standard taper outer joint. Side tubulation accepts a CG-1040 rubber fitment for insertion of thermometers or bleed tubes. Supplied complete with one CG-1040 rubber fitting.
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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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Heavy Wall Blank Filter Flasks
ChemglassExtra heavy, unmarked blanks for fabrication of filter apparatus. Top has a tooled finish to accept a rubber stopper or neoprene filter adapter.
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2800mL flask with 3 baffles on the bottom surface of the flask to help oxygen transfer to the culture medium.
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Quartz single neck round bottom flask with standard taper outer joint.
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Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center and side necks. Indentations increase agitation of the contents of the flask during stirring. Please Note: Morton Style Reactors/Flasks Not Suitable For Vacuum.
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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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Non-baffled flasks are ideal for growing, mixing and storing both aerobic and anaerobic cultures. Graduated to approximate volumes. Delong style neck is made to fit stainless steel or plastic closures, while reducing the amount of splashing that would reach the closure.
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Fernbach 2800mL 3 Side Baffles Flasks
ChemglassFlasks are designed for culturing organisms that require a large surface area to volume ratio. Flask has 3 baffles on lower outside edge to help oxygen transfer to the culture medium. 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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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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Round bottom, HEAVY WALL, three-neck flask with standard taper outer joints on the center neck and vertical side necks. Lower half of the flask is jacketed with two hose connections for circulation of heating or cooling liquid. Lower outlet is a CG-424-05, 4mm PTFE straight bore stopcock.