Description
Volumetric flask class A KB 50 ml blue graduated with hollow glass stopper NS 12/21 is a precision measuring vessel made from borosilicate glass 3.3. It offers a nominal volume of 50 ml with a tolerance of 0,06 ml, delivering class A accuracy in accordance with DIN EN ISO 1042. The clear blue graduation markings support reliable meniscus reading, while the hollow glass stopper ensures a tight seal at the NS 12/21 joint. With a height of 140 mm, the flask is well suited to routine volumetric work such as preparation of standard solutions and quantitative dilutions. Supplied in packs of 2 pieces, each unit carries a declaration of conformity according to DIN 12600 together with dated batch identification for complete traceability. This DURAN® flask from manufacturer Hirschmann can be accompanied by a free batch calibration certificate, an individual calibration certificate or a DAkkS certificate on request. The chemically resistant borosilicate glass 3.3 construction provides the thermal and mechanical stability required for everyday analytical 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
- Tolerance: 0,06 ml
- EAN: 4049338009701
- Technical Information Sheet:
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Questions about VOLUMET. FLASK A CC 50 ML, GL.ST. BLUE GRAD. NS12/21
What is this article?
VOLUMET. FLASK A CC 50 ML, GL.ST. BLUE 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.