Description
Round filter MN 640 we, 18,5 cm is a circular laboratory filter paper intended for general filtration applications. With a diameter of 18,5 cm, these round filters fit common funnels and filtration assemblies used in chemical, analytical and preparative work. Each pack contains 100 pieces and has a net weight of 0,28 kg; the product originates from Germany. The MN 640 we grade is supplied non-sterile and is suited to routine qualitative filtration of suspensions and precipitates. Manufactured by Macherey-Nagel, the filters support everyday sample preparation, clarification and solid recovery steps on the laboratory bench. The convenient pack of 100 pieces ensures a ready supply for high-throughput or multi-user environments. These round filters integrate easily into standard filtration workflows and provide a practical medium for laboratories requiring consistent circular filter papers in the 18,5 cm format.
This article is part of Filter paper, in Filtration.
Key features
- Pack size: 100 pc(s)
- Product type: Round filter paper MN 640 we
- Diameter: 18,5 cm
- Sterility: Non-sterile
- EAN: 4046681044632
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Questions about Round filter MN 640 we, 18.5 cm
What is this article?
Round filter MN 640 we, 18.5 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.
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.