Description
DURAN® pear-shaped flask with NS 14/23 is a precision laboratory vessel manufactured from borosilicate glass 3.3 for processing small sample quantities. Offering a nominal volume of 25 ml, the conical form concentrates limited amounts at the lowest point, enabling efficient micro-scale reactions, distillations and extractions. The standardised ground joint NS 14/23 ensures a tight, reliable seal when connected to other ground-joint components including distillation columns, thermometers, dropping funnels and related apparatus. Durable white printed markings provide permanent identification that withstands repeated laboratory handling. Available from manufacturer Duran/DWK Life Sciences, this single-neck pear-shaped flask supports heating of modest volumes in baths or heating mantles, solvent evaporation and secure attachment to stands. Its robust construction and chemical resistance make it a practical choice for research, quality-control and educational laboratories working with restricted sample sizes that demand accurate volume control and secure glassware connections.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 10 pc(s)
- Storage temperature: Standard
- Nominal volume: 25 ml
- Joint size: NS 14/23
- Material: Borosilicate glass 3.3
- EAN: 4032051027596
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Questions about DURAN® Ballon piriforme, avec rodage normalisé
What is this article?
DURAN® Ballon piriforme, avec rodage normalisé is the article on this page. Luminix Health distributes DWK Life Sciences for laboratory use. It sits in Ballons à fond rond, inside Béchers & fioles, in Matériel de laboratoire.
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 Béchers & fioles. The sub-category is Ballons à fond rond. The catalogue is Matériel de laboratoire.
Shelves beside this one are Béchers, Fioles Erlenmeyer, Récipients de réaction & récipients à double enveloppe, Fioles à fond plat, Fioles (autres) and Accessoires pour béchers & fioles.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.