Description
Volumetric flasks, class A, amber glass are precision vessels fabricated from borosilicate glass 3.3 for accurate volume definition in the laboratory. This version provides a 500 ml nominal capacity with a ground joint 19/26, making it suitable for preparing larger batches of light-sensitive standards, buffers and analytical solutions. Class A accuracy supports volumetric analysis, serial dilutions and quantitative sample preparation where tight volume control is required. The amber glass reduces light exposure to photosensitive media while retaining the chemical and thermal performance associated with borosilicate glass 3.3. These flasks from manufacturer Isolab integrate readily into routine wet-lab and QC workflows. A pack contains 2 pc(s) and weighs 0,460 kg, offering a convenient bench quantity for shared laboratories. The standardised joint supports common stoppers and closures, and the clear capacity designation aids rapid identification during multi-step procedures such as titration setup, stock solution make-up and reference material handling.
This article is part of Volumetric flasks, in Volumetric glassware.
Key features
- Pack size: 2 pc(s)
- Product type: Volumetric flasks, class A, amber glass
- Material: Borosilicate glass 3.3
- Capacity: 500 ml
- Joint: 19/26
- Weight: 0,460 kg
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Questions about Volumetric flasks, cl. A, amber glass, borosilic. gl. 3.3, joint 19/26, 500 ml
What is this article?
Volumetric flasks, cl. A, amber glass, borosilic. gl. 3.3, joint 19/26, 500 ml is the article on this page. Luminix Health distributes Isolab for laboratory use. It sits in Volumetric flasks, inside Volumetric glassware, in Matériel de laboratoire.
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 Matériel de laboratoire.
Shelves beside this one are Measuring cylinders, Burettes, Mixing cylinders and Volumetric accessories & certificates.
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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.

