Description
Clear glass volumetric flask 50 ml with glass stopper and standard ground joint 14/23 is designed for preparing measured liquid volumes in volumetric analysis and related quantitative procedures. Blue graduations highlight the nominal capacity mark, supporting accurate filling to the calibration line when preparing standards, dilutions or working solutions. Transparent glass enables clear observation of the meniscus and sample appearance, and the accompanying glass stopper closes the neck for mixing by inversion and temporary retention of prepared liquids. The product is delivered as a pack of 2 pc(s), with each flask weighing 0,120 kg, which suits regular bench stocking in analytical, quality-control and teaching laboratories. From manufacturer Hirschmann, this 50 ml flask with NS 14/23 joint aligns with common volumetric glassware stopper and accessory systems. It is well suited to stock-solution preparation, quantitative dilution and assay workflows that call for a defined 50 ml volume together with a secure standard ground-joint closure.
This article is part of Volumetric flasks, in Volumetric glassware.
Key features
- Pack size: 2 pc(s)
- Product type: Volumetric flask
- Material: Clear glass
- Capacity: 50 ml
- Standard ground joint: 14/23
- Stopper: Glass stopper
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Questions about Volumetric flask, clear glass, w. glass stop., st.gr.joint 14/23, 50ml
What is this article?
Volumetric flask, clear glass, w. glass stop., st.gr.joint 14/23, 50ml 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?
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.

