Description
Burette stopcock for 10 ml burettes is a lateral solid glass stopcock with NS 12,5 joint and 1,6 mm bore, intended specifically for 10 ml burette assemblies. Made from DURAN tubing and conforming to DIN 12541, it provides a standardised ground-joint connection and a defined bore for controlled reagent delivery during volumetric titration and analytical dispensing. The solid plug construction supports dependable sealing and smooth operation in routine laboratory use. Supplied as one piece with a net weight of 0,035 kg, the stopcock serves as a dedicated accessory or replacement part for 10 ml burettes in chemical, pharmaceutical and quality-control laboratories. From manufacturer Witeg, this DURAN-based fitting combines NS 12,5 geometry, a 1,6 mm bore and lateral outlet configuration to match common 10 ml burette designs. It is a practical choice where DIN-compliant glass stopcocks are needed for precise liquid handling on small-volume burettes.
This article is part of Burettes, in Volumetric glassware.
Key features
- Pack size: 1 pc
- Suitable for: 10 ml burettes
- Joint size: NS 12,5
- Bore: 1,6 mm
- Design: lateral, solid
- Material: DURAN tubing
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Questions about Stopcock f. burettes w PTFE-plug
What is this article?
Stopcock f. burettes w PTFE-plug is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Burettes, inside Volumetric glassware, in Labware.
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 Labware.
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.