Beschrijving
Schlenk tube, 25 ml, socket NS 14,5/23 with lateral high-vacuum PTFE valve is a graduated laboratory vessel engineered for handling air-sensitive reagents. Constructed from borosilicate glass 3.3, the tube delivers the chemical durability and thermal performance expected in modern synthetic laboratories. A side-mounted HV PTFE valve with fine thread allows controlled adjustment of the valve passage from 0 - 8 mm, supporting reliable vacuum or inert-gas operations. The olive of Ø 8 mm provides a secure tubing interface for connection to Schlenk lines. Clear graduations assist volume assessment during transfers and reaction work-up. The NS 14,5/23 ground socket ensures compatibility with standard jointed glassware assemblies. Supplied as a Schlenk apparatus from manufacturer Rettberg, this 25 ml tube is well suited to intermediate-scale organometallic and inorganic procedures under inert atmosphere. Net weight is 0,049 kg, offering a convenient size for bench-top manipulation while maintaining robust vacuum-tight performance throughout repeated use cycles.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Nominal volume: 25 ml
- Joint size: NS 14,5/23
- Material: Borosilicate glass 3.3
- Valve type: Lateral HV PTFE valve 0 - 8 mm
- Olive diameter: Ø 8 mm
- Technical Information Sheet:
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Questions about Nitrogen tube, 25 ml, graduated, socket size 14,5/23,
What is this article?
Nitrogen tube, 25 ml, graduated, socket size 14,5/23, is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Kranen & ventielen, inside Slangen, leidingen & koppelingen, in Labmateriaal.
A stopcock opens and closes a line, or directs it between ports. Glass stopcocks have a ground plug that needs grease or a PTFE key. The bore decides the flow. A two-way and a three-way key are different parts.
Tubing is how a liquid or a gas moves between two vessels without being poured. Silicone stays flexible and survives repeated autoclaving. PTFE resists almost every solvent and is stiff. PVC is the ordinary flexible line for water and for mild aqueous work. The fitting, not the tube, is what usually leaks: the barb, the thread and the stopcock have to match the tube bore. Glass and plastic apparatus around these lines is indexed under ISO laboratory ware.
Which category should I open next?
The category is Slangen, leidingen & koppelingen. The sub-category is Kranen & ventielen. The catalogue is Labmateriaal.
Shelves beside this one are Slangverbinders, adapters & fittingen, PVC-, PTFE- & overige slangen, Siliconenslang and Slangaccessoires.
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.