Chemglass Lab Flasks
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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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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 flask with a standard taper outer joint and a #7 Chem-Thread as a side neck for insertion of thermometers or bleed tubes having an O.D. between 4 and 7mm.
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Single Neck Flat Bottom Flasks
ChemglassSingle neck, flat bottom flask with a standard taper outer joint.
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Flasks, Tapered, European Style, 3-Necks
ChemglassEuropean style flask with tapered walls and a shallow hemispherical bottom for more efficient mechanical or magnetic stirring. With standard taper outer joints on center and side necks.
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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 larger capacity round bottom flasks.
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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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Similar to CG-1512 recovery flasks, but plastic coated to prevent injury from broken glass and spillage of hazardous materials.
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Replacement Parts For Internal Impeller Assembly Bioprocess Spinner Flasks
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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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Evaporating flask for use with rotary evaporators. Flasks have a HEAVY WALL for vacuum applications and are balanced to prevent run-out during rotation. For Plastic Coated flasks, see CG-1512-P.
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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, Heavy Wall, Pear-Shaped, 2-Necks
ChemglassPear shape, HEAVY WALL 2-neck flask with standard taper outer joints. Flasks with a 10/18 outer joint on the side neck are used with either jointed thermometers or CG-1079 inlet adapters.
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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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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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Flask has 4 bottom baffles and a constriction just below the neck to prevent splashing from reaching the closure.
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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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Storage Flasks, Cajon, Airfree®, Schlenk
ChemglassStorage flask sidearm has a 9mm OD tubulation for use with 3/8" Cajon® connections. Chem-Vac™ Chem-Cap® valve is used to control gas or liquid flow into the vessel.
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Flasks, Heavy Wall, Pear Shaped
ChemglassPear shape HEAVY WALL flask with a standard taper outer joint.
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Round bottom, HEAVY WALL, four neck flask with standard taper outer joints on the center and vertical side necks.
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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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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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Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center and 20º angled 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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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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Similar to CG-1603, but with PTFE stopper.
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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.
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Minum-Ware® Round Bottom 3-Neck Flasks
ChemglassMicro round bottom 3-neck flask with all 14/10 threaded outer joints. Supplied complete with open-top screw caps (MW-102-33) and Viton O-rings (MW-100-08).
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Round bottom, HEAVY WALL, four-neck flask with standard taper outer joints and a # 7 Chem-Thread for insertion of thermometers or bleed tubes having an O.D. between 4 and 7mm.
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European style flask with tapered walls and a shallow hemispherical bottom for more efficient mechanical or magnetic stirring. Entire body of the flask is jacketed and has two hose connections for circulation of heating or cooling liquid. With standard taper outer joints on center and side necks.
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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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2800mL flasks are designed for culturing organisms that require a large surface area to volume ratio. Available with 70mm screw neck with a solid or vented cap.