Description
PVDF membrane filters, hydrophobic, with a pore size of 0,22 µm and a diameter of Ø 25 mm, are disc-type laboratory membranes intended for filtration and separation work. Fabricated from polyvinylidene fluoride in a hydrophobic format, they are suited to solvent-oriented and non-aqueous sample handling where a water-wettable surface is not required. The defined 0,22 µm pore rating supports fine particulate retention and clarifying steps in analytical, research, and quality-control laboratories. Each pack supplies 100 pc(s) of uniform 25 mm discs that fit common small-scale filter holders and syringe- or vacuum-assisted assemblies. Pack weight is 0,085 kg, which keeps storage and bench handling straightforward. These membranes are available from manufacturer MERCK MILLIPORE and align with routine membrane-filtration practice within broader labware workflows covering filtration, water purification, dialysis, and separation. Choose this 25 mm hydrophobic PVDF format when a compact disc geometry and 0,22 µm pores are specified for method development, sample preparation, or day-to-day processing of organic and mixed solvent streams.
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 25 mm
- Weight: 0,085 kg
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Questions about PVDF-Membrane filters, hydrophobic, Ø 25 mm, pore size 0.22 µm, 100 unit(s)
What is this article?
PVDF-Membrane filters, hydrophobic, Ø 25 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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.