Description
Round-bottom flask narrow neck 12000 ml DURAN® is a high-capacity single-neck laboratory vessel for large-scale distillation, reaction chemistry and collection tasks. Produced from borosilicate glass 3.3 under the DURAN® trademark, it provides the chemical durability and thermal shock resistance expected of professional laboratory glassware. The Enghals narrow-neck form includes a beaded rim that supports reliable stopper seating and connection to standard laboratory apparatus. With a nominal volume of 12000 ml, an outer diameter of 295 mm, a height of 380 mm and a neck outer diameter of 65 mm, the flask offers substantial working volume in a stable round-bottom profile compatible with heating mantles and laboratory supports. Offered in a pack of 10 pieces from manufacturer Witeg, these flasks suit preparative organic synthesis, solvent recovery, concentration steps and multi-litre heating where even heat distribution around the curved base is beneficial. They are appropriate for research, quality-control and teaching laboratories that require robust DURAN® round-bottom flasks in the multi-litre range for distillation and receiving applications.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 10 pc(s)
- Material: Borosilicate glass 3.3
- Brand: DURAN®
- Nominal volume: 12000 ml
- Neck type: Narrow neck
- Outer diameter: 295 mm
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Questions about Flasks, round bottom, narrow neck, 12000
What is this article?
Flasks, round bottom, narrow neck, 12000 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Round-bottom flasks, inside Beakers & flasks, in Labware.
A round-bottom flask is the heating flask of a distillation or a reflux. The curved wall takes the heat, and the ground neck connects to a still head or a condenser. The joint size, not only the volume, has to match the rest of the set.
A beaker is an open working vessel: easy to pour, poor as a measure. An Erlenmeyer flask has a flat base and a conical wall so a liquid can be swirled without climbing out. A round-bottom flask is for heating under a condenser, because the heat meets a curved wall and the joint at the neck connects to the rest of the glassware. Borosilicate is the glass that survives the temperature change. These forms are listed under ISO laboratory glassware.
Which category should I open next?
The category is Beakers & flasks. The sub-category is Round-bottom flasks. The catalogue is Labware.
Shelves beside this one are Beakers, Erlenmeyer flasks, Reaction vessels & jacketed vessels, Flat-bottom flasks, Flasks (other) and Beaker & flask accessories.
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When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.