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Chemglass

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Round Bottom Flasks

Specifically shaped for uniform heat distribution, the round bottom flasks are used for distillation, chemical reactions, heating liquid sample, and storage demands. Manufactured from resistant glass, the spherical containers will spread encountered stress evenly across surfaces to prevent fracturing. Built with temperature resistance, the glassware is an essential piece in reflux set-ups. Primarily used for chemical and biochemical research, the round bottom flasks have short or long neck options.


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Description:   Volume: 250mL. Center neck and 20[degree]-angled side neck [standard taper] outer joints: 14/20.
Catalog Number: 80069-196
Supplier: Chemglass


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Description:   22000ml. Joint size: Center Neck: 55/50; Side Necks: 29/42. Round bottom, HEAVY WALL, four neck flask with standard taper outer joints on the center and vertical side necks. Flasks with joint sizes other than those listed are available.
Catalog Number: 80069-798
Supplier: Chemglass


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Description:   1000ml. Joint size: Center Neck: 29/42; Side Neck: 24/40; Thermometer Joint: 10/30. Round bottom, HEAVY WALL, three neck flask with standard taper outer joints on the center neck and vertical side necks.
Catalog Number: 80069-916
Supplier: Chemglass


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Description:   3000ml. Joint size: Center Neck: 45/50; Side Necks: 24/40. Round bottom, HEAVY WALL, four neck flask with standard taper outer joints on the center and vertical side necks. Flasks with joint sizes other than those listed are available.
Catalog Number: 80069-728
Supplier: Chemglass


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Description:   250ml. Joint size: Center Neck: 24/40; Side Neck: 24/40. European style flask with tapered walls and a shallow hemispherical bottom for more efficient mechanical or magnetic stirring.
Catalog Number: 80061-460
Supplier: Chemglass


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Description:   500ml. Joint size: Center Neck: 24/40; Side Neck: 24/40. European style flask with tapered walls and a shallow hemispherical bottom for more efficient mechanical or magnetic stirring.
Catalog Number: 80070-334
Supplier: Chemglass


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Description:   1000ml. Joint size: Center Neck: 29/42; Side Necks: 29/42. Round bottom, HEAVY WALL, four neck flask with standard taper outer joints on the center and 20[degree] angled side necks. Flasks with joint sizes other than those listed are available.
Catalog Number: 80069-856
Supplier: Chemglass


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Description:   250ml. Joint size: 19/22. Pear shape, HEAVY WALL flask with a standard taper outer joint. Flasks with joint sizes other than those listed are available.
Catalog Number: 80070-224
Supplier: Chemglass


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Description:   125ml. Joint size: Center Neck: 24/40; Side Neck: 14/20. European 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.
Catalog Number: 80070-306
Supplier: Chemglass


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Description:   5000ml. Joint size: Center Neck: 45/50; Side Necks: 24/40. Round bottom, HEAVY WALL, four neck flask with standard taper outer joints on the center and vertical side necks. Flasks with joint sizes other than those listed are available.
Catalog Number: 80069-736
Supplier: Chemglass


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Description:   2000ml. Joint size: Center Neck: 24/40; Side Neck: 24/40. Round bottom, HEAVY WALL, three neck flask with standard taper outer joints on the center and side necks. Lower outlet is a CG-424-05, 4mm straight bore fluoropolymer resin stopcock.
Catalog Number: 80069-376
Supplier: Chemglass


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Description:   1000ml. Joint size: Center Neck: 29/42; Side Neck: 29/42. 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.
Catalog Number: 80069-656
Supplier: Chemglass


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Description:   1000ml. Joint size: Center Neck: 29/42; Side Necks: 29/42. Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center neck and vertical side necks.
Catalog Number: 80069-280
Supplier: Chemglass


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Description:   250ml, 24/40-24/40 RBF, heavy wall, 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.
Catalog Number: 89028-608
Supplier: Chemglass


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Description:   500ml. Joint size: Center Neck: 29/42; Side Necks: 24/40. Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center neck and 20[degree] angled side necks.
Catalog Number: 80069-512
Supplier: Chemglass


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Description:   100ml. Joint size: Center Neck: 19/22; Side Neck: 19/22. 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.
Catalog Number: 80069-194
Supplier: Chemglass


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