Description
Cellulose nitrate membrane filter, Ø 50 mm, sterile, pore size 0,22 µm is a mixed cellulose ester (MCE) disc combining cellulose nitrate and cellulose acetate for microbiological filtration and colony work. The white membrane carries a black grid that improves contrast when counting colonies under standard lighting. Each filter is sterile and individually packed, supporting aseptic handling in membrane filtration methods, water and beverage testing, and related microbiology workflows. The 0,22 µm pore size is suited to bacterial retention applications where a fine sterile barrier is required, while the 50 mm diameter fits common filter holders and funnels of matching size. Offered as a pack of 100 pieces from manufacturer Labbox under the BRANCHIA line, these membranes provide a ready-to-use consumable for routine lab filtration without bulk open packing. Use them wherever sterile MCE membranes with grid marking streamline sample processing and visual evaluation.
This article belongs on Membrane filters, in Filtration.
Key features
- Pack size: 100 pc(s)
- Diameter: 50 mm
- Pore size: 0,22 µm
- Material: Mixed cellulose ester (cellulose nitrate / cellulose acetate, MCE)
- Surface: White with black grid
- EAN: 8434868099098
- GTIN: 08434868099098
- Technical Information Sheet:
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Questions about Cellulose nitrate membrane Ø 50 mm, Sterile, 0,22 µm, 100 pcs
What is this article?
Cellulose nitrate membrane Ø 50 mm, Sterile, 0,22 µm, 100 pcs is the article on this page. Luminix Health distributes Labbox for laboratory use. It sits in Membrane filters, inside Filtration, in Consommables.
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 Consommables.
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.
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.