Description
Three-necked round-bottom flask, DURAN® is a multi-neck laboratory vessel for synthesis, reflux and related preparative work that needs several simultaneous connections. This 500 ml flask provides a centre ground joint of 29/32 together with two side necks of 19/26, so condensers, dropping funnels, thermometers or stirrer guides can be fitted on standard joints. The round-bottom body supports even heating with mantles or baths and promotes effective mixing of reaction mixtures. Supplied from manufacturer Lenz as DURAN® laboratory glassware, the flask is offered as a single piece and weighs 0,197 kg. Three-necked round-bottom flasks with defined joint sizes are everyday equipment in organic and inorganic laboratories, process development and teaching practicals where controlled reagent addition and continuous observation are required. Compatible joint geometry simplifies assembly with common adapters, stoppers and ancillary glassware. Clear centre and side-neck dimensions help match the vessel to multi-component apparatus. The unit quantity of 1 pc suits individual workstation setup or straightforward replacement within existing glassware sets used for closed-system operations.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 1 pc
- Product type: Three-necked round-bottom flask
- Material: DURAN® glass
- Capacity: 500 ml
- Centre neck: 29/32
- Side necks: 19/26
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Questions about Three-necked round-bottom flask, DURAN®, 500 ml, side necks 19/26, centre 29/32
What is this article?
Three-necked round-bottom flask, DURAN®, 500 ml, side necks 19/26, 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 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 Beakers & flasks. The sub-category is Round-bottom flasks. The catalogue is Matériel de laboratoire.
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.