Description
PORA CA membrane filter is a white cellulose acetate (CA) disc filter with a defined pore size of 0,45 µm and a diameter of 47 mm, intended for laboratory membrane filtration workflows. The PORAFIL CA membrane combines the low protein-binding character typical of cellulose acetate with a uniform pore structure suited to clarifying aqueous samples, buffer preparation and general particle retention at the 0,45 µm cut-off. Each pack contains 100 filters, supporting routine use in analytical, quality-control and research laboratories. The white membrane surface aids visual inspection of retained material during filtration. Supplied as plain, non-sterile discs, these filters fit standard 47 mm filter holders and funnels used across life-science and chemical laboratories. Manufactured by Macherey-Nagel, the PORAFIL CA range offers a consistent cellulose acetate option when a hydrophilic membrane of 0,45 µm pore width is required. Diameter, pore size and material are clearly specified to simplify selection against existing protocols and holder geometries. Ideal for day-to-day sample clarification and particulate removal where cellulose acetate performance is preferred.
This article is part of Membrane filters, in Filtration.
Key features
- Pack size: 100 pc(s)
- Product type: PORAFIL CA membrane filter
- Material: Cellulose acetate (CA)
- Colour: White
- Pore size: 0,45 µm
- EAN: 4046681007804
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Questions about PORA CA, white, PW:0,45 µm, d: 47 mm
What is this article?
PORA CA, white, PW:0,45 µm, d: 47 mm is the article on this page. Luminix Health distributes Macherey-Nagel for laboratory use. It sits in Membrane filters, inside Filtration, in Lab consumables.
A membrane filter is the disc itself, without a syringe housing. Pore size, polymer and diameter are the specification, and the disc has to sit in a holder. Gridded membranes are for counting colonies. A membrane and a filter paper of the same diameter are not interchangeable.
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 Membrane filters. The catalogue is Lab consumables.
Shelves beside this one are Filter paper, Sintered glass filter plates & discs, Syringe filters, Filter cartridges & capsules, 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.
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.