Beschrijving
Volumetric flask 50 ml is a precision Class A laboratory vessel designed for accurate preparation and dilution of standard solutions in analytical chemistry. Manufactured from clear borosilicate glass 3.3, it provides excellent chemical resistance and thermal stability while fully complying with DIN EN ISO 1042. The flask features a single blue ring mark for exact filling to the 50 ml nominal volume and is fitted with a ground joint NS 14/23 complete with poly stopper for secure, contamination-free closure. Its transparent body allows clear observation of the meniscus, supporting highly reproducible volumetric work in quality-control and research environments. Supplied in cartons of 10 pieces from manufacturer Marienfeld, these flasks are ideal for pharmaceutical analysis, environmental testing and routine laboratory assays where Class A accuracy is essential. The durable borosilicate construction withstands repeated autoclaving and chemical exposure, making the flask a reliable everyday tool for quantitative volumetric procedures.
This article is part of Volumetric flasks, in Volumetric glassware.
Key features
- Pack size: 10 pc(s)
- Accuracy class: A
- Nominal volume: 50 ml
- Ground joint: NS 14/23
- Material: Borosilicate glass 3.3
- EAN: 4250317305763
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Questions about Volumetric flasks 50 ml,
What is this article?
Volumetric flasks 50 ml, is the article on this page. Luminix Health distributes Marienfeld for laboratory use. It sits in Volumetric flasks, inside Volumetric glassware, in Labmateriaal.
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 Labmateriaal.
Shelves beside this one are Measuring cylinders, Burettes, Mixing cylinders and Volumetric accessories & certificates.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.