Description
Volumetric flask class A KB 50 ml amber glass with glass stopper NS 12/21 is a high-precision measuring flask for quantitative analytical chemistry and routine laboratory volumetric preparations. Constructed from chemically resistant borosilicate glass 3.3 and coloured amber to shield light-sensitive samples, it delivers a nominal volume of 50 ml with a class A tolerance of 0,06 ml. The flask measures 140 mm in height, is fitted with a ground joint NS 12/21 and closed by a brown hollow glass stopper. It is manufactured in accordance with DIN EN ISO 1042, supplied with a conformity declaration according to DIN 12600 and identified by dated batch coding. Optional batch, individual or DAkkS calibration certificates support full traceability. This DURAN® flask from manufacturer Hirschmann is packed in units of 2 pieces and provides reliable class A accuracy for the preparation of standard solutions, dilutions and other exact volumetric work in research and industrial settings.
This article is part of Volumetric flasks, in Volumetric glassware.
Key features
- Pack size: 2 pc(s)
- Storage temperature: +5 - +40°C
- Nominal volume: 50 ml
- Tolerance: 0,06 ml
- Material: Borosilicate glass 3.3
- EAN: 4049338007820
- Technical Information Sheet:
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Questions about VOLUMET. FLASK A CC 50 ML, AMBER GLASS GL.ST. NS12/21
What is this article?
VOLUMET. FLASK A CC 50 ML, AMBER GLASS GL.ST. 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.