Description
Four-necked round-bottom flask, 1000 ml is a multi-port laboratory flask for reactions and distillations that need simultaneous access through four ground-glass joints. The centre neck is NS 45/40 and the side necks are NS 29/32; the side necks are arranged in parallel, giving a regular layout for condensers, dropping funnels, thermometers, and gas or vacuum connections. Produced in DURAN® glass from manufacturer Lenz, the flask uses the familiar round-bottom profile suited to heating mantles and standard jointed apparatus. The 1000 ml capacity covers typical preparative organic and general laboratory work where a four-neck configuration improves process control compared with two- or three-neck vessels. Supplied as a single piece with a weight of 0,378 kg, it is straightforward to handle on the bench while still offering a full set of parallel side necks around the large centre joint. Clear NS designations help match adapters and accessories without ambiguity. This model is intended for laboratories specifying a one-litre four-neck round-bottom flask with parallel side necks and DURAN® construction for multi-inlet set-ups.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 1 pc
- Product type: Four-necked round-bottom flask
- Capacity: 1000 ml
- Centre neck: NS 45/40
- Side necks: NS 29/32, parallel
- Material: DURAN®
Recently viewed
You may also like
Browse related categories
Category
Sub-category
Catalogue
Brand
Questions about Four-necked round bottom flask, 1000 ml, centre neck NS 45/40
What is this article?
Four-necked round bottom flask, 1000 ml, centre neck NS 45/40 is the article on this page. Luminix Health distributes Lenz 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.
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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.
How does ordering and shipping work?
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.