Description
Dropping funnel 250 ml NS 14/23 is a cylindrical, graduated laboratory funnel intended for controlled liquid addition in synthesis and analytical workflows. It offers a 250 ml working capacity with 5 ml graduation intervals, an NS stopcock plug fitted with threaded stopcock security, and a cone-and-socket ground joint NS 14/23 with 4 mm bore, produced in accordance with DIN 12567. The cylindrical body supports clear volume reading while the secured stopcock helps maintain reliable flow control during dosing. This glassware item from manufacturer Witeg is well suited to organic chemistry setups, reagent addition, and routine laboratory transfer tasks where precise metering is required. Each unit has a net weight of 0,221 kg and is supplied in a pack of 2 pieces. The combination of standardised joints, graduated scale and secure stopcock design makes the funnel a practical choice for research, teaching and quality-control environments that rely on reproducible liquid handling.
This article is part of Dropping funnels, in Funnels.
Key features
- Pack size: 2 pc(s)
- Capacity: 250 ml
- Graduation interval: 5 ml
- Joint size: NS 14/23 (cone and socket)
- Stopcock bore: 4 mm
- Design: Cylindrical, graduated with threaded stopcock security
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Questions about Dropping funnels, cylindrical, graduated
What is this article?
Dropping funnels, cylindrical, graduated is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Dropping funnels, inside Funnels, in Labware.
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 Labware.
Shelves beside this one are Funnels (plastic, glass & steel), Büchner & filter funnels, Separating funnels and Powder funnels.
What should I check before I order?
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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.