Description
Volumetric flask class A KB 50 ml trapezoid with hollow glass stopper and blue graduation NS 12/21 is a precision measuring vessel manufactured from borosilicate glass 3.3. The DURAN® flask offers a nominal volume of 50 ml with a scale division of 0,06 ml and fully complies with accuracy class A according to DIN EN ISO 1042. Its distinctive trapezoidal body provides excellent standing stability on the bench while the NS 12/21 ground joint and matching hollow glass stopper guarantee a secure, leak-free seal during mixing and storage of solutions. Overall height is 140 mm. Each flask carries a dated batch identification and is accompanied by a declaration of conformity to DIN 12600, supporting full traceability in regulated laboratories. Produced by manufacturer Hirschmann, the vessel is widely used for preparing standard solutions, dilutions and volumetric analyses in analytical chemistry, pharmaceutical quality control and research. Optional free batch calibration certificates as well as individual or DAkkS calibration certificates can be ordered separately. The product is supplied in packs of 2 pieces, ready for immediate laboratory use.
This article is part of Volumetric flasks, in Volumetric glassware.
Key features
- Pack size: 2 pc(s)
- Storage temperature: +5 - +40°C
- Material: Borosilicate glass 3.3
- Nominal volume: 50 ml
- Accuracy class: A
- EAN: 4049338011643
- Technical Information Sheet:
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Questions about VOLUMET. FLASK A CC 50 ML, CONICAL GL.ST.BL.GRAD. NS12/21
What is this article?
VOLUMET. FLASK A CC 50 ML, CONICAL GL.ST.BL.GRAD. NS12/21 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?
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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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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.