Description
Folded filter MN 619 de 1/4, 12,5 cm is a pre-pleated laboratory filter paper for gravity filtration and solid–liquid separation on a larger funnel scale. With a diameter of 125 mm, it offers an extended filtration surface that suits higher sample volumes while remaining compatible with standard laboratory funnels. The MN 619 de 1/4 quarter-fold construction arrives ready for use as a cone, eliminating the need for manual creasing at the bench. Each pack holds 100 pieces and has a net weight of 0,16 kg, providing a solid working stock for busy analytical and preparative environments. These filters from manufacturer Macherey-Nagel are intended for clarifying solutions, collecting precipitates and preparing samples in chemistry, life-science and quality-control laboratories. The paper is non-sterile and intended for general filtration duties where sterility is not specified. Consistent diameter and fold pattern support reproducible packing and flow behaviour across successive filtrations. Laboratories seeking a dependable 12,5 cm folded filter will find the MN 619 de 1/4 format a practical choice for routine solid–liquid work.
This article is part of Filter paper, in Filtration.
Key features
- Pack size: 100 pc(s)
- Product type: Folded filter
- Grade: MN 619 de 1/4
- Diameter: 125 mm
- EAN: 4046681015731
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Questions about Folded Filter Papers MN 619 de 1/4, 12.5 cm
What is this article?
Folded Filter Papers MN 619 de 1/4, 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.
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.

