Beschrijving
Nalgene™ Water Quality Membrane is a cellulose acetate (CA) membrane filter with a pore size of 0,2 µm and a metric membrane diameter of 47 mm. The gridded membrane surface supports clear colony enumeration during water quality examination, while the cellulose acetate material is specified as autoclavable for laboratory handling needs. Each case supplies 100 membranes (100 per pack), matching common throughput for serial water testing. Officially positioned for water quality membrane filtration, the 0,2 µm pore size is suited to fine retention steps in microbiological workflows. The 47 mm diameter fits standard filter funnels and holders used in environmental and process-water laboratories. This product is offered by manufacturer Thermo Scientific - Laboratory Plastics under the Nalgene™ water quality membrane range. Autoclavable construction and a defined gridded pattern help laboratories maintain consistent plating and counting practices. Gross packaging weight is approximately 0,091 kg per unit, with a compact case format for storage beside filtration stations. Ideal where cellulose acetate membranes at 0,2 µm are required for water analysis.
This article is part of Membrane filters, in Filtration.
Key features
- Pack size: 100 pc(s)
- Brand: Nalgene™
- Material: Cellulose acetate (CA)
- Pore size: 0,2 µm
- Diameter: 47 mm
- Membrane type: Gridded
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Questions about Nalgene™ Membrane and Prefilter Disks
What is this article?
Nalgene™ Membrane and Prefilter Disks is the article on this page. Luminix Health distributes Thermo Scientific - Laboratory Plastics for laboratory use. It sits in Membrane filters, inside Filtration, in Verbruiksartikelen.
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 Verbruiksartikelen.
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.
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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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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.