Description
Dropping funnel, conical, offers a 1000 ml working capacity with an NS 29/32 joint and a PTFE plug for regulated delivery of liquids into laboratory apparatus. The conical profile promotes even outflow and easy visual monitoring of fill level while reagents are added dropwise or in a controlled stream. With the PTFE plug, users can fine-tune flow for sensitive reactions, titrations, or staged additions where timing and volume matter. This larger format suits medium-scale preparative chemistry, solvent transfers, and process steps that exceed smaller funnel volumes yet still rely on standard ground-joint connections. Pack size is 1 pc, with a stated weight of 0,447 kg, supporting straightforward storage and bench placement. Manufactured by Lenz, the funnel is intended for routine integration into NS 29/32 assemblies in research, development, and analytical laboratories. Application areas include organic synthesis, extraction work-ups, and general liquid handling where a chemically resistant stopcock and conical body improve dosing reliability. Single-unit supply keeps replacement and kit building simple for laboratory glassware inventories.
This article is part of Dropping funnels, in Funnels.
Key features
- Pack size: 1 pc
- Product type: Dropping funnel, conical
- Capacity: 1000 ml
- Joint size: NS 29/32
- Stopcock: PTFE plug
- Weight: 0,447 kg
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Questions about Dropping funnel, conical, 1000 ml, NS 29/32, PTFE-plug, 1 unit(s)
What is this article?
Dropping funnel, conical, 1000 ml, NS 29/32, PTFE-plug, 1 unit(s) is the article on this page. Luminix Health distributes Lenz 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?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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.

