Description
PVDF membrane filters, hydrophobic, offering a pore size of 0,22 µm and a diameter of Ø 47 mm, provide a mid-size disc format for laboratory filtration and separation tasks. The membranes are produced from polyvinylidene fluoride with a hydrophobic surface character, supporting use with organic solvents and samples where aqueous wetting is not desired. A 0,22 µm pore specification enables fine retention and clarification steps typical of analytical chemistry, life-science sample preparation, and quality-control routines. Packs contain 100 pc(s) of consistent 47 mm discs compatible with standard filter holders used in vacuum or pressure-assisted setups. The pack weighs 0,165 kg, remaining practical for shelf storage and daily bench work. Supplied from manufacturer MERCK MILLIPORE, these hydrophobic PVDF discs integrate into general membrane-filtration workflows alongside related labware for filtration, water purification, dialysis, and separation. Select the 47 mm, 0,22 µm hydrophobic PVDF option when a larger active area than small syringe discs is needed while retaining a widely used laboratory pore rating.
This article is part of Membrane filters, in Filtration.
Key features
- Pack size: 100 pc(s)
- Membrane material: PVDF
- Membrane character: Hydrophobic
- Pore size: 0,22 µm
- Diameter: Ø 47 mm
- Weight: 0,165 kg
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Questions about PVDF-Membrane filters, hydrophobic, Ø 47 mm, pore size 0.22 µm, 100 unit(s)
What is this article?
PVDF-Membrane filters, hydrophobic, Ø 47 mm, pore size 0.22 µm, 100 unit(s) is the article on this page. Luminix Health distributes MERCK MILLIPORE 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?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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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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.