Description
Volumetric flask 150 ml, class A with batch certificate, NS 14/23 hexagonal hollow stopper and amber glass is a precision measuring vessel intended for accurate volumetric determinations. Produced from borosilicate glass 3.3, the flask offers outstanding resistance to chemicals and thermal shock while maintaining long-term dimensional stability. Amber colouration shields light-sensitive contents from UV and visible light, which is essential when handling photosensitive samples or standards. The NS 14/23 ground joint is fitted with a matching hexagonal hollow stopper that ensures a tight seal, and the white Diffico print delivers permanent, high-contrast graduation markings. Every unit carries a batch number and is accompanied by a batch certificate in the original packaging, documenting class A conformity. Supplied in packs of 10 pieces from manufacturer Witeg, this volumetric flask is well suited for analytical chemistry, pharmaceutical work, environmental testing and teaching laboratories that demand certified accuracy combined with reliable light protection for sensitive solutions.
This article is part of Volumetric flasks, in Volumetric glassware.
Key features
- Pack size: 10 pc(s)
- Capacity: 150 ml
- Accuracy class: A
- Material: Borosilicate glass 3.3
- Stopper: NS 14/23 hexagonal hollow stopper
- Glass type: Amber glass
- Technical Information Sheet:
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Questions about Volumetric flasks, 150 ml, A, CC, ST 14/23,
What is this article?
Volumetric flasks, 150 ml, A, CC, ST 14/23, is the article on this page. Luminix Health distributes Witeg 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.
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.