Description
Round filter MN 321, 12,5 cm is a circular laboratory filter paper with a diameter of 12,5 cm. Supplied in a pack of 100 pc(s), the MN 321 grade round filters are intended for general filtration tasks in analytical and preparative work. The filters come from manufacturer Macherey-Nagel and are presented as plain round sheets ready for use in funnels or filtration assemblies of matching size. Each pack contains 100 pieces, offering a practical stock quantity for routine laboratory operations. The 12,5 cm diameter suits standard small-to-medium filtration setups where consistent circular geometry is preferred. These round filters support everyday sample clarification, precipitate collection and solvent filtration steps without additional treatment. Net and gross weight data indicate a light paper format suitable for single-use applications. The product is non-sterile and is supplied for conventional laboratory filtration rather than aseptic procedures. With a defined 12,5 cm diameter and a 100-piece pack, the MN 321 round filter provides a straightforward consumable for chemistry, biology and quality-control benches that require reliable circular filter paper.
This article is part of Filter paper, in Filtration.
Key features
- Pack size: 100 pc(s)
- Product type: Round filter
- Grade: MN 321
- Diameter: 12,5 cm
- EAN: 4046681030161
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Questions about Round filter MN 321, 12.5 cm
What is this article?
Round filter MN 321, 12.5 cm is the article on this page. Luminix Health distributes Macherey-Nagel for laboratory use. It sits in Filter paper, inside Filtration, in Lab consumables.
Filter paper is a cellulose sheet of a stated retention and speed. Qualitative paper clarifies. Quantitative, ashless paper is for a precipitate that will be weighed or ashed, because the paper itself leaves almost no ash. The diameter has to match the funnel.
Filtration holds back what is larger than the pores and lets the rest through. Paper is the ordinary laboratory filter. A membrane has a stated pore size and a polymer that must survive the solvent. A syringe filter is that membrane in a housing on a syringe. Glass fibre takes a higher dirt load. Ultrafiltration holds back macromolecules and passes salts. The pore size, the chemical compatibility and the volume are the three choices. Laboratory apparatus around filtration is indexed under ISO laboratory apparatus.
Which category should I open next?
The category is Filtration. The sub-category is Filter paper. The catalogue is Lab consumables.
Shelves beside this one are Sintered glass filter plates & discs, Syringe filters, Filter cartridges & capsules, Membrane filters, Glass & quartz fibre filters, Bottle-top & vacuum filtration units, Ultrafiltration & concentrators, Filtration accessories, Extraction thimbles and Dialysis tubing & devices.
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.
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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.