Description
PORA CA membrane filter is a white cellulose acetate (CA) disc with a pore size of 0,45 µm and a diameter of 50 mm for laboratory membrane filtration. This PORAFIL CA membrane provides a hydrophilic cellulose acetate matrix with a controlled 0,45 µm pore width, suitable for clarifying aqueous solutions, buffers and process samples where moderate particulate load must be reduced. The 50 mm format matches common filter holders and vacuum filtration assemblies used in analytical and research settings. Packs of 100 white discs support high-throughput or multi-user laboratories and allow straightforward visual assessment of retained solids on the membrane surface. The filters are supplied non-sterile for general laboratory use. From manufacturer Macherey-Nagel, the PORAFIL CA series delivers a reproducible cellulose acetate option when protocols call for a 0,45 µm cut-off and a 50 mm diameter. Clear specification of material, pore size and diameter helps align the product with existing SOPs and hardware without guesswork. A practical choice for routine clarification and particle retention on cellulose acetate membranes.
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: 4046681007798
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Questions about PORA CA, white, PW:0,45 µm, d: 50 mm
What is this article?
PORA CA, white, PW:0,45 µm, d: 50 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.