Description
Volumetric flasks, class A, DURAN®, 50 ml are precision laboratory vessels intended for volumetric analysis and solution preparation. This variant is specified with joint 14/23 and is noted as not compliant with DIN, which should be considered when matching local standards and method requirements. The class A DURAN® construction supports accurate make-up and dilution of measured volumes in analytical workflows. Supplied in a pack of 2 pc(s) with a unit weight of 0,120 kg, the 50 ml format is practical for routine quantitative tasks on the laboratory bench. Joint 14/23 allows pairing with compatible stoppers and ground-joint accessories according to the user’s setup. These flasks from manufacturer Hirschmann provide a defined class A option where the stated joint size and non-DIN status fit the application. Clear capacity and joint data help laboratories select the correct vessel for volumetric work and inventory standardisation.
This article is part of Volumetric flasks, in Volumetric glassware.
Key features
- Pack size: 2 pc(s)
- Product type: Class A volumetric flask
- Capacity: 50 ml
- Material: DURAN® glass
- Joint: 14/23
- DIN compliance: Not compliant with DIN
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Questions about Volumetric flasks, cl. A, DURAN®, 50 ml, joint 14/23, not compliance with DIN
What is this article?
Volumetric flasks, cl. A, DURAN®, 50 ml, joint 14/23, not compliance with DIN is the article on this page. Luminix Health distributes Hirschmann 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.

