Chemglass Lab Flasks
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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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Replacement Parts For Internal Impeller Assembly Bioprocess Spinner Flasks
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Glassblowers Flask Blanks, Recovery
ChemglassBlanks for fabrication of recovery flasks. NOTE: NECK IS UNFINISHED, FLASK CANNOT BE USED WITHOUT MODIFICATION OF NECK.
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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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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, Erlenmeyer, Outer Joints
ChemglassErlenmeyer flask with a standard taper outer joint. For stoppers see CG-3000.
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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.
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2800mL flask with 3 baffles on the lower outside edge of the flask to help oxygen transfer to the culture medium.
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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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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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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.
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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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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.
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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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Erlenmeyer Polycarbonate Sterile Flasks
ChemglassErlenmeyer flasks are sterile, non-pyrogenic and manufactured with polycarbonate resin. Flasks are supplied with exclusive DuoCap® designed for both aerobic and anaerobic applications. For aerobic applications the cap utilizes a 0.22µm pore size PTFE membrane for sterile air exchange.…
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Flask has 6 bottom baffles to maximize oxygen transfer for bacterial, yeast and other cultures that require large amounts of oxygen for optimal growth. The 70mm vented cap has a 0.20µm PVDF hydrophobic membrane to allow for sterile gas exchange while preventing contamination. A silicone liner…
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Round bottom, HEAVY WALL flask with a standard taper outer joint and a side well to accept a thermometer. Top of thermowell is tooled to accept a #0 rubber stopper.
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Glassblowers Flask Blanks, Flat Bottom
ChemglassBlanks for fabrication of single or multi-neck flat bottom flasks. NOTE: NECK IS UNFINISHED, FLASK CANNOT BE USED WITHOUT MODIFICATION OF NECK.
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Flasks, Erlenmeyer, Screw Caps
ChemglassErlenmeyer flask with screw thread finish. Supplied complete with white rubber lined black phenolic cap. Long skirted caps can be loosened without falling off while shaking flask.
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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 single long neck flask with a standard taper outer joint.
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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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Flasks, Dewar, Tall 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 and 20º angled side necks.
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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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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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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 and transport of liquid nitrogen LN2, dry ice CO2, and…
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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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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…
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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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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 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.