1l Round Bottom Flask

Ai 35/20 standard taper joint, heavy wall 1000mL round bottom receiving flask.

Round bottom Short ring neck These PYREX® round bottom boiling flasks have short ring necks. These ring neck boiling flasks are precisely tooled for uniform stopper fit. The reinforced rim increases mechanical strength. These flasks are used in applications requiring rigid stoppering…

Short neck Heavy wall PYREX round bottom boiling flasks have full-length outer Standard Taper joints, but with shorter necks. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and…

Ai 24/40 standard taper joint, heavy wall oval-shaped, round bottom flask.

Borosil® Round Bottom Boiling Flasks have uniform wall thickness for even heat distribution. Constructed from stress-free borosilicate. Borosil® Boiling Flasks are heat-resistant. Built to withstand the demands of the modern lab, each flask has a flame-polished, Interchangable Joint, and an…

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.

PYREX round bottom boiling flasks have full length outer Standard Taper joints, but with shorter necks. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are controlled to provide balance between thermal expansion and mechanical strength for greater shock resistance. The round…

These 1L PYREX® round bottom boiling flasks have long necks with tooled mouths and take a No. 8 rubber stopper. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for…

Round bottom, indented Morton Type, three neck flask. 500ml and 1L sizes have angled side necks while larger sizes feature vertical necks. Available in heavy wall. Indents enhance agitation during stirring.

…Allihn condenser with a 45/50 Standard Taper inner joint and 500mL PYREX® round bottom boiling flask with 24/40 Standard Taper outer joint. For a replacement extractor only, see No. 3920-MBO; for a replacement 500mL flask, see No. 4320-500; for a replacement Allihn condenser, see No. 3840-MCO.

…themrocouples up to 1/8" OD. The 350mL bath fits the 300mL or smaller round bottom flasks. The 950mL bath fits the 1L or smaller round bottom flasks. The 2300mL bath fits the 3L or smaller round bottom flasks. Note: 3L Flask does not allow the standard thermocouple clip to be used. Oil…

Cylindrical, heavy wall reaction flask with extra thick flat, ground flange. Without constriction at top to facilitate introduction/removal of material and allow for ease of cleaning. Available in 1L to 4L capacities, flat bottom and round bottom, with

…assembly for 1L to 6L bench reactors. Fits both filter and pressure reactor styles as well as standard round bottom flasks. It will accomodate flasks with or without bottom valves. The motor mount raises and lowers as does the flask support system. This aids in aligning the flask, motor and stir…