Description
RK250 behrotest round-bottom flask 250 ml with NS 29 is a ground-joint laboratory flask for distillation, collection and related glassware work. The 250 ml capacity combined with an NS 29 standard ground joint supports connection to condensers, adapters and other NS 29 components in typical apparatus trains. As a round-bottom, ground-joint flask it fits roles described for distillation flasks and receiving flasks where a stable spherical body and defined taper joint are required. Net weight is 0,10 kg and gross weight is 0,10 kg, with a packaging volume of 0,001215 m³. The flask is supplied as 1 pc for individual bench or stock replenishment. This behrotest round-bottom flask comes from manufacturer Behr and is intended for laboratory use with NS 29 glassware systems. Clear volume and joint designation help match the vessel to heating, distillation or collection setups that specify 250 ml and NS 29. Packaging dimensions support orderly storage and transport of the single unit. Choose the RK250 when a 250 ml round-bottom flask with NS 29 is needed for preparative or analytical glass assemblies.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 1 pc
- Model: RK250
- Product line: behrotest
- Type: Round-bottom flask
- Capacity: 250 ml
- Ground joint: NS 29
- Technical Information Sheet:
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Questions about RK250 behrotest ballon à fond rond 250 ml avec col NS 29
What is this article?
RK250 behrotest ballon à fond rond 250 ml avec col NS 29 is the article on this page. Luminix Health distributes Behr 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.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.