Beschreibung
Receiving flask with cone NS 45/40, 1000 ml, vacuum-tight is a laboratory collection vessel made from borosilicate glass 3.3. With a nominal volume of 1 l and a large standard ground joint NS 45/40, it is designed for secure connection to rotary evaporators, distillation bridges and vacuum lines. The vacuum-tight construction supports reduced-pressure distillations and solvent recovery without leakage at the joint. Borosilicate glass 3.3 provides high chemical resistance and good thermal shock performance for routine laboratory handling. Supplied as one piece with a net weight of 0,815 kg from manufacturer Rettberg, this receiving flask fits standard NS 45/40 apparatus and is suitable for organic synthesis work-up, concentration steps and general collection of distillates or filtrates under atmospheric or vacuum conditions. Its robust design makes it a practical component in preparative and process-oriented glassware setups requiring a reliable 1-litre receiver.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 1 pc(s)
- Nominal volume: 1 l
- Joint size: NS 45/40
- Material: Borosilicate glass 3.3
- Property: Vacuum-tight
- Technical Information Sheet:
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Questions about Collecting flask, cone size 45/40, 1000 ml, vacuum-resistant
What is this article?
Collecting flask, cone size 45/40, 1000 ml, vacuum-resistant is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Round-bottom flasks, inside Beakers & flasks, in Laborbedarf.
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 Laborbedarf.
Shelves beside this one are Beakers, Erlenmeyer flasks, Reaction vessels & jacketed vessels, Flat-bottom flasks, Flasks (other) and Beaker & flask accessories.
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.