Description
Round-bottom flask with standard ground joint NS 24/29 is a 250 ml laboratory flask fabricated from borosilicate glass LBG 3.3 and delivered in packs of 10 pieces. The larger NS 24/29 joint provides a robust, interchangeable connection for condensers, dropping funnels and other ground-joint apparatus used in synthesis, distillation and solvent recovery. Borosilicate glass 3.3 combines low thermal expansion with good chemical resistance, making the flask suitable for controlled heating and cooling cycles on the open bench or in a fume hood. Nominal volume is 0,25 l; pack net weight is 1,390 kg. These round-bottom flasks from manufacturer Labbox serve equally well as reaction vessels, distillation flasks or receiving flasks when a dependable NS 24/29 interface is specified. Uniform wall geometry and standardised joint dimensions support modular glassware setups in research, quality-control and teaching laboratories that rely on interchangeable LBG 3.3 components.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 10 pc(s)
- Product type: Round-bottom flask with standard ground joint
- Material: Borosilicate glass LBG 3.3
- Nominal volume: 250 ml
- Ground joint: NS 24/29
- EAN: 8434868005952
- GTIN: 08434868005952
- Technical Information Sheet:
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Questions about Ballon à ébullition à fond rond, LBG 3.3, embouchure 24/29, 250 ml, 10 pièces
What is this article?
Ballon à ébullition à fond rond, LBG 3.3, embouchure 24/29, 250 ml, 10 pièces is the article on this page. Luminix Health distributes Labbox 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.
What should I check before I order?
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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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.