Description
DURAN® volumetric flask, class A, is an individually certified volumetric flask with a nominal capacity of 1 l, a 29/32 joint and blue graduation. It is intended for volumetric flasks and volumetric analysis work in the laboratory, where defined solution volumes must be prepared and measured with class A glassware. The blue graduation marks the calibrated volume on the neck for straightforward reading during filling to the mark. This item is supplied in a pack of 2 pc(s) and has a listed weight of 0,504 kg. Offered from manufacturer DWK Life Sciences within the DURAN® laboratory glass range, the flask combines the class A designation with individual certification for use in analytical and routine laboratory procedures. The 1 l working volume and 29/32 joint suit standard volumetric setups that require a certified class A flask of this size. Blue graduation supports clear visual identification of the reference mark during solution preparation, dilution and related volumetric tasks in research, teaching and quality-control environments that specify DURAN® class A volumetric flasks.
This article is part of Volumetric flasks, in Volumetric glassware.
Key features
- Pack size: 2 pc(s)
- Brand: DURAN®
- Accuracy class: A
- Capacity: 1 l
- Joint: 29/32
- Graduation: blue
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Questions about DURAN®-volumetric flask, cl. A,, indiv. cert., 1l, 29/32, blue graduation
What is this article?
DURAN®-volumetric flask, cl. A,, indiv. cert., 1l, 29/32, blue graduation is the article on this page. Luminix Health distributes DWK Life Sciences for laboratory use. It sits in Volumetric flasks, inside Volumetric glassware, in Labware.
A volumetric flask is calibrated to contain one volume at a reference temperature, with a single mark on a narrow neck. Class A is the tight tolerance. It is not a storage bottle and it is not for heating. The stopper is part of the calibrated article.
Volumetric glassware is glass that has been calibrated to contain or to deliver one stated volume at a reference temperature. That calibration is the whole point. Class A and class AS have a tighter tolerance than class B. A volumetric flask contains. A pipette and a burette deliver. A measuring cylinder is the coarser reading, used when the volume is not the result. The classes sit under ISO laboratory glassware. The chain back to the unit of volume is the work of the BIPM and of NIST.
Which category should I open next?
The category is Volumetric glassware. The sub-category is Volumetric flasks. The catalogue is Labware.
Shelves beside this one are Measuring cylinders, Burettes, Mixing cylinders and Volumetric accessories & certificates.
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.

