Description
Dropping funnel 25 ml with socket NS 14,5/23, cone NS 14,5/23 and glass stopcock 2,5 mm is a cylindrical laboratory dosing funnel intended for controlled addition of liquids at intermediate small volumes. Constructed from borosilicate glass 3.3, it includes a graduated body, an outlet tube ending in cone NS 14,5/23 with drip tip, and a solid glass stopcock NS 12,5 with 2,5 mm bore. The 25 ml nominal volume suits precise reagent delivery in organic synthesis, work-up steps and analytical preparation. Supplied by manufacturer Rettberg, the funnel mates securely with standard ground-joint apparatus. Clear graduations assist volume monitoring throughout the addition process, and the drip tip supports neat transfer. Net weight is 0,080 kg. The design provides durable, chemically resistant performance for everyday laboratory dosing tasks requiring reliable joint connections and fine flow control.
This article is part of Dropping funnels, in Funnels.
Key features
- Pack size: 1 pc
- Nominal volume: 25 ml
- Material: Borosilicate glass 3.3
- Joints: Socket/cone NS 14,5/23
- Stopcock: Solid glass NS 12,5, bore 2,5 mm
- Design: Cylindrical, graduated with drip tip
- Technical Information Sheet:
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Questions about Dropping funnel, 25 ml, graduated, cone/socket size 14,5/23,
What is this article?
Dropping funnel, 25 ml, graduated, cone/socket size 14,5/23, is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Entonnoirs à addition, inside Entonnoirs, in Matériel de laboratoire.
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 Entonnoirs. The sub-category is Entonnoirs à addition. The catalogue is Matériel de laboratoire.
Shelves beside this one are Entonnoirs (plastique, verre & acier), Entonnoirs Büchner & filtrants, Ampoules à décanter and Entonnoirs à poudre.
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.