Description
Büchner funnel 75 ml P4 is a laboratory glass filtration funnel intended for vacuum-assisted solid-liquid separations. It offers a working capacity of 75 ml together with porosity grade P4, a filter plate diameter of 45 mm and a stem outer diameter of 10 mm. These dimensions allow reliable collection of precipitates or clarification of solutions under reduced pressure in chemical, analytical and preparative workflows. The compact format suits smaller sample volumes while remaining compatible with standard vacuum filtration assemblies. Supplied as a single piece with a net weight of 0,06 kg, the funnel is easy to handle and integrate into existing laboratory glassware setups. Produced by manufacturer Witeg, it supports routine filtration tasks where controlled porosity and consistent plate geometry are required. Typical applications include sample preparation, purification steps and educational demonstrations that demand reproducible filtration performance. The stem geometry facilitates secure connection to vacuum flasks or manifolds, contributing to efficient laboratory throughput without unnecessary complexity.
This article is part of Büchner & filter funnels, in Funnels.
Key features
- Pack size: 1 pc
- Capacity: 75 ml
- Porosity grade: P4
- Filter plate diameter: 45 mm
- Stem outer diameter: 10 mm
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Questions about Filter funnel 75 ml P4
What is this article?
Filter funnel 75 ml P4 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Büchner & filter funnels, inside Funnels, in Labware.
A Büchner funnel is a perforated porcelain or plastic plate used with a rubber cone and vacuum to pull liquid through a filter paper. A filter funnel is the glass cone that holds a folded paper under gravity. The plate diameter decides the paper size.
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 Büchner & filter funnels. The catalogue is Labware.
Shelves beside this one are Funnels (plastic, glass & steel), Dropping 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.