Description
Two-necked flask, DURAN®, 100 ml is a round laboratory flask fitted with two ground-glass necks for multi-port reaction, distillation and sample-handling setups. The centre neck is NS 29/32 and the side neck is angled NS 29/32, allowing condensers, dropping funnels, gas inlets or other standard jointed apparatus to be connected at the same time while keeping a compact footprint on the bench or in a heating bath. Nominal capacity is 100 ml, making the vessel suitable for small-scale organic work, solvent handling and teaching experiments. The flask is supplied as a single piece and has a weight of 0,084 kg. Manufactured from DURAN® glass by Lenz, it belongs to the established range of round flasks and flasks with ground glass joints used throughout laboratory glassware assemblies. The angled side arm improves spatial arrangement of attached components and reduces interference between neighbouring pieces of apparatus. This two-neck configuration integrates readily into existing NS joint systems for general chemistry, pharmaceutical research and analytical workflows that require reliable multi-neck glass vessels.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 1 pc
- Product type: Two-necked flask
- Capacity: 100 ml
- Centre neck: NS 29/32
- Side neck: angled NS 29/32
- Material: DURAN®
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Questions about Two-necked flask, DURAN®, 100 ml, angled side neck 29/32, centre 29/32
What is this article?
Two-necked flask, DURAN®, 100 ml, angled side neck 29/32, centre 29/32 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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.