Beschrijving
Straight burette, class AS, clear with blue graduation and Schellbach stripe, 10 ml capacity subdivided to 0,02 ml, is a precision volumetric instrument made from pre-vacuum calibrated 3.3 borosilicate glass tubing in accordance with ISO 385 and calibrated to DIN/ISO class AS. Nominal values and inscriptions are printed in durable blue enamel on the clear body. The Schellbach stripe—a narrow blue band centred within a wider white band—allows easier and more accurate observation of the meniscus line during titration. An interchangeable PTFE stopcock requiring no lubrication provides reliable drop control; identical keys remove the need for matched-pair alignment when cleaning. Individual robotic calibration minimises deviation from nominal volume. Each unit carries the DE-M conformity mark of the German weights and measures authority together with a batch number printed on the body; the batch certificate is available for download. This straight burette from manufacturer ISOLAB Laborgeräte is suited to quantitative titration and volumetric analysis in chemical, pharmaceutical and teaching laboratories. Supplied as one piece.
This article is part of Burettes, in Volumetric glassware.
Key features
- Pack size: 1 pc
- Product type: Burette
- Capacity: 10 ml
- Graduation: 0,02 ml
- Calibration class: AS (DIN/ISO)
- EAN: 4250362622167
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Questions about burette - straight - clear - PTFE stopcock - Class AS - conf. batch cert. -
What is this article?
burette - straight - clear - PTFE stopcock - Class AS - conf. batch cert. - is the article on this page. Luminix Health distributes ISOLAB for laboratory use. It sits in Burettes, inside Volumetric glassware, in Labmateriaal.
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 Labmateriaal.
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.
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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.