Description
Round flasks in DURAN® transparent glass with a 100 ml capacity and NS 19/26 ground joint are laboratory vessels for distillation and Soxhlet appliances as well as sampling and sample preparation. The clear DURAN® glass body supports visual monitoring of contents during environmental analysis and related preparative work. Supplied as 1 pc and weighing 0,046 kg, this round flask from manufacturer Lenz is specified for setups that require a 100 ml working volume together with an NS 19/26 standard joint. It fits jointed glassware trains used in distillation assemblies, Soxhlet extraction lines and general sample-preparation workflows where transparent round-bottom geometry is preferred. Laboratories can select the flask when matching condensers, adapters and other NS 19/26 components for small-scale distillation or concentration steps. The combination of DURAN® transparent glass, defined 100 ml capacity and NS 19/26 joint makes the item straightforward to integrate into routine environmental analysis and distillation apparatus. Pack size is one unit, aligned with the stated capacity, joint size and weight for clear catalogue identification in laboratory glassware inventories.
This article is part of Round-bottom flasks, in Beakers & flasks.
Key features
- Pack size: 1 pc
- Product type: Round flask
- Material: DURAN® transparent glass
- Capacity: 100 ml
- Ground joint: NS 19/26
- Weight: 0,046 kg
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Questions about Round flasks,DURAN®, transparent glass, 100 ml, NS 19/26, 1 unit(s)
What is this article?
Round flasks,DURAN®, transparent glass, 100 ml, NS 19/26, 1 unit(s) 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.

