Description
Trapezoidal volumetric flask 50 ml A KB NS 14/23 with PE stopper is a class A precision laboratory vessel manufactured from borosilicate glass 3.3. This Diffico blue flask is conformity-certified and supplied with a batch number together with an accompanying batch certificate in each original packaging. The trapezoidal form improves bench stability during filling, dilution and weighing steps, while the NS 14/23 ground joint accepts the polyethylene stopper for a secure seal. Class A accuracy supports reliable volumetric work such as preparation of standard solutions, titrations and analytical dilutions. From manufacturer Witeg, the blue Diffico finish aids quick visual identification in busy lab settings. The 50 ml capacity fits many routine protocols and the borosilicate 3.3 construction provides good chemical and thermal resistance. Supplied as a single piece, the flask maintains full batch traceability through the included documentation, making it a practical choice for quality-controlled laboratory environments.
This article is part of Volumetric flasks, in Volumetric glassware.
Key features
- Pack size: 1 pc
- Capacity: 50 ml
- Accuracy class: A
- Ground joint: NS 14/23
- Stopper material: PE
- Glass type: Borosilicate glass 3.3
- Technical Information Sheet:
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Questions about Trapezoidal volumetric flasks 50 ml A CC ST 14/23
What is this article?
Trapezoidal volumetric flasks 50 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.