Description
Volumetric pipettes 20 ml, class AS conformity certified are precision one-mark glass instruments for accurate liquid delivery in analytical and routine laboratory work. Adjusted to “Ex” and manufactured from soda-lime glass, they conform to DIN EN ISO 648 with a reduced outflow time of 5 seconds. Brown graduations, colour coding and clearly marked tolerances enable rapid identification and reliable handling. Each pipette is accompanied by a batch certificate confirming class AS conformity. Supplied by manufacturer Marienfeld and packed 25 pieces per carton, these volumetric pipettes support efficient stock management in busy laboratories. The single ring mark simplifies operation while the robust soda-lime glass construction ensures durability under standard conditions. Ideal for transferring exact 20 ml aliquots of aqueous solutions and reagents in analytical chemistry, quality control, pharmaceutical testing and teaching environments, they combine certified accuracy with practical packaging for everyday volumetric tasks requiring high precision and documented performance.
This article is part of Volumetric pipettes, in Pipettes & pipette tips.
Key features
- Pack size: 25 pc(s)
- Accuracy class: AS
- Nominal volume: 20 ml
- Material: Soda-lime glass
- Adjustment: Ex
- EAN: 4250317304995
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Questions about Volumetric pipettes 20 ml, class AS conformity certified
What is this article?
Volumetric pipettes 20 ml, class AS conformity certified is the article on this page. Luminix Health distributes Marienfeld for laboratory use. It sits in Volumetric pipettes, inside Pipettes & pipette tips, in Consommables.
A volumetric pipette has a single mark and a bulb, and it delivers one volume with a tighter tolerance than a graduated pipette. It is for preparing standards. It is not for reagents that attack glass, and it is not a blow-out pipette unless it is marked as one.
A pipette moves a measured volume. A volumetric pipette delivers one line. A graduated pipette delivers along a scale. A Pasteur pipette is an uncalibrated transfer. A piston pipette uses a tip, and the tip has to seal on that pipette. A filter tip adds a barrier so aerosol from the sample does not reach the piston. Serological pipettes are the long graduated tubes used with a controller. The volume and the fit are the specification. Piston pipettes are treated under ISO laboratory apparatus. In-vitro work also meets ISO in vitro diagnostic systems.
Which category should I open next?
The category is Pipettes & pipette tips. The sub-category is Volumetric pipettes. The catalogue is Consommables.
Shelves beside this one are Pipette tips, Filter tips, Pipetting accessories, Graduated pipettes, Pasteur pipettes, Pipette controllers & fillers, Reagent reservoirs, Dispenser & repeater tips and Serological pipettes.
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.