Description
DURAN® dropping funnel with pressure equalisation is a cylindrical borosilicate glass 3.3 laboratory funnel of 500 ml nominal volume, provided with graduation and ground joint for precise reagent addition. Metered delivery of solutions, reaction mixtures and chemicals is facilitated by an NS stopcock with retainer, while the pressure-equalisation tube maintains balanced pressure across linked reaction vessels. The unit is configured with NS core and NS 29/32 joint (sleeve NS 29/32, core NS 24/29), giving a tight, leak-resistant connection. A permanently fired white scale with line graduation on the cylindrical body permits easy reading of contents. Ideal for steady, controlled liquid feed into reaction mixtures and for measuring liquid volumes, this special-size funnel (not conforming to DIN ISO) originates from manufacturer Duran/DWK Life Sciences and is supplied as a single piece. Its robust glass construction supports reliable use in synthetic, preparative and analytical laboratory workflows.
This article is part of Dropping funnels, in Funnels.
Key features
- Pack size: 1 pc
- Storage temperature: Standard
- Brand: DURAN®
- Material: Borosilicate glass 3.3
- Nominal volume: 500 ml
- EAN: 4032051026339
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Questions about DURAN® Dropping Funnel, cylindrical, ground joint and pressure equalisation tube
What is this article?
DURAN® Dropping Funnel, cylindrical, ground joint and pressure equalisation tube is the article on this page. Luminix Health distributes DWK Life Sciences 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?
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.