Beschreibung
Cylindrical dropping funnel 1000:20 ml K+H NS 24/29 with pressure equalisation, graduated is laboratory glassware intended for the controlled dropwise addition of reagents in synthetic chemistry, extraction work and general laboratory dosing. The vessel offers a 1000 ml working volume marked in 20 ml increments, allowing operators to track dispensed volumes accurately during multi-step procedures. A standard ground joint combination of cone and socket NS 24/29 ensures compatibility with common reaction flasks and apparatus trains. The stopcock uses an NS PTFE plug secured by a threaded lock, reducing the risk of leakage or unintended rotation under pressure or vacuum. A bore diameter of 6,3 mm provides an appropriate flow path for aqueous and organic media. Integrated pressure equalisation maintains atmospheric balance when the funnel is attached to a closed system, preventing pressure differentials that could interrupt flow. Available in a pack of two pieces with a net weight of 0,527 kg, this cylindrical model from manufacturer Witeg is suited to preparative organic synthesis, titration support and routine dosing tasks where graduated control and reliable sealing are required.
This article is part of Dropping funnels, in Funnels.
Key features
- Pack size: 2 pc(s)
- Capacity: 1000 ml
- Graduation: 20 ml
- Joint size: NS 24/29 (cone + socket)
- Stopcock: NS PTFE with threaded lock
- Bore diameter: 6,3 mm
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Questions about Dropping funnel cylindrical 1000:20ml C+S ST 24/29
What is this article?
Dropping funnel cylindrical 1000:20ml C+S ST 24/29 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Dropping funnels, inside Funnels, in Laborbedarf.
A dropping funnel adds a liquid slowly into a closed reaction through a stopcock and usually a ground joint. A pressure-equalising arm keeps the funnel from air-locking. The joint size and the volume are the specification.
A funnel guides a liquid or a powder into a narrower mouth. A filter funnel holds a paper. A Büchner funnel is the flat perforated plate used with vacuum. A separating funnel has a stopcock so two liquid layers can be run off one at a time. A dropping funnel adds a reagent slowly into a reaction. The bore and the stopcock are the parts that matter. This glassware is listed under ISO laboratory glassware.
Which category should I open next?
The category is Funnels. The sub-category is Dropping funnels. The catalogue is Laborbedarf.
Shelves beside this one are Funnels (plastic, glass & steel), Büchner & filter funnels, Separating funnels and Powder funnels.
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.
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.