Description
Burettes class AS KB SB 25:0,05 ml with straight valve stopcock and PTFE spindle are precision volumetric instruments manufactured from DURAN® borosilicate glass 3.3. Blue graduated markings with Schellbach stripe and main-point ring division provide excellent meniscus visibility at a nominal volume of 25 ml and a scale division of 0,05 ml. Produced in accordance with DIN EN ISO 385 and supplied with a declaration of conformity to DIN 12600 plus dated batch identification, these class AS burettes guarantee the accuracy demanded by quantitative titration work. The straight valve stopcock equipped with a PTFE spindle ensures smooth, chemically inert and grease-free operation. Offered as a pack of 2 pieces from manufacturer Hirschmann, they are well suited to analytical chemistry, pharmaceutical quality control and educational laboratories conducting precise volumetric determinations. The durable glass body resists common laboratory reagents while the Schellbach stripe enhances readability across different lighting conditions. Nominal volume equals 0,025 l, supporting consistent endpoint detection in both routine and standardised titration protocols.
This article is part of Burettes, in Volumetric glassware.
Key features
- Pack size: 2 pc(s)
- Storage temperature: +5 - +40°C
- Accuracy class: AS
- Nominal volume: 25 ml
- Graduation: 0,05 ml
- EAN: 4049338012459
- Technical Information Sheet:
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Questions about BURETTES CL. AS CC 25:0,05 ML, SB STR.VALVE STOPC.PTFE SPINDL
What is this article?
BURETTES CL. AS CC 25:0,05 ML, SB STR.VALVE STOPC.PTFE SPINDL is the article on this page. Luminix Health distributes Hirschmann for laboratory use. It sits in Burettes, inside Volumetric glassware, in Matériel de laboratoire.
A burette delivers a measured volume through a stopcock, which is how a titration is read. Class A and class AS state the tolerance. The stopcock, glass or PTFE, and the volume of the burette are the choices. A dirty bore changes the delivered volume.
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 Burettes. The catalogue is Matériel de laboratoire.
Shelves beside this one are Volumetric flasks, Measuring cylinders, 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.