Description
Kjeldahl flask, DURAN® is a laboratory glass vessel with standard ground joint 29/32 and a nominal capacity of 500 ml for digestion and related wet-chemical work. Built in DURAN® glass, it is intended for classical Kjeldahl nitrogen determination and comparable sample-preparation steps that require a jointed flask compatible with standard condensers and adapters. The NS 29/32 ground joint supports secure coupling to common laboratory glassware trains used in analytical chemistry. Supplied as one piece from manufacturer Lenz, the flask has a unit weight of 0,420 kg and suits routine benches in food and feed testing, environmental analysis, quality control and teaching laboratories. Its 500 ml working volume covers typical digestion loads while remaining practical for heating blocks, mantles and stands designed for jointed round flasks. Pack size is 1 pc, allowing single-vessel replacement or gradual expansion of a digestion set. The item belongs to round flasks and flasks with ground glass joints used throughout chemical and life-science laboratories that rely on durable DURAN® glassware for reproducible wet chemistry.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 1 pc
- Product type: Kjeldahl flask
- Glass: DURAN®
- Capacity: 500 ml
- Ground joint: NS 29/32
- Weight: 0,420 kg
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Questions about Kjeldahl flask, DURAN®, with standard ground joint 29/32, 500 ml, 1 unit(s)
What is this article?
Kjeldahl flask, DURAN®, with standard ground joint 29/32, 500 ml, 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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.