Description
Volumetric flask with glass stopper NS 12/21, clear, Class A, 100 ml is laboratory glassware intended for precise preparation and containment of defined liquid volumes. The clear Class A flask features a ground joint NS 12/21 closed by a glass stopper, allowing secure mixing and short-term holding of solutions filled to the calibration line. Supplied in packs of 10 pieces, the 100 ml size is a common working volume for standard solutions, dilutions and quantitative assays in analytical and teaching environments. These volumetric flasks from manufacturer Dinkelberg originate in the Czech Republic and are aimed at general laboratory applications that specify Class A glassware. The clear body supports straightforward meniscus reading and visual assessment of the contents. The NS 12/21 joint is matched to the glass stopper provided with this format. With Class A accuracy, a glass stopper, 100 ml nominal capacity and a practical multipack, the flasks serve laboratories that require reproducible volumetric vessels for routine wet-chemistry procedures.
This article is part of Volumetric flasks, in Volumetric glassware.
Key features
- Pack size: 10 pcs
- Product type: Volumetric flask
- Nominal volume: 100 ml
- Stopper type: Glass stopper
- Joint size: NS 12/21
- Accuracy class: Class A
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Questions about Flask, volumetric with Glass stopper NS 12/21, clear, Class A, 100ml, 10/PK
What is this article?
Flask, volumetric with Glass stopper NS 12/21, clear, Class A, 100ml, 10/PK is the article on this page. Luminix Health distributes Dinkelberg 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.
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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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.