Membrane filters

866 products

Showing 49 - 72 of 866 products

Showing 49 - 72 of 866 products
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CN membrane; 0.45 m; 25 mm;100pcs;n;stSartorius
CN membrane; 0.45 m; 47 mm;100 pcs;n;stSartorius
CN membrane; 0.45 m; 37 mm;100pcs;n;stSartorius
CN gray - white, sterile, 0.8 mSartorius
CN 0.22m, Rolle 300mm x 3m,BlottingSartorius
CN 0.45m, Roll 300mm x 3m,BlottingSartorius
neoChoice Membranfilter, Polyamid (PA), unsterilneolab
neoChoice Membranfilter, Teflon (PTFE), unsterilneolab
neoChoice Membranfilter, Cellulose Acetat (CA), unsterilneolab
neoChoice Membranfilter, Cellulose Acetat (CA), unsterilneolab
neoChoice Gitternetzmembranen, Cellulose Nitrat (CN)neolab

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Questions about Membrane filters

Why Membrane filters?

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.

This shelf belongs to Filtration, inside Lab consumables. Luminix Health distributes this range for laboratory use.

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How does ordering and shipping work?

Luminix Health distributes this range 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. Send a quote request, contact the team, or read who we are. The full brand index is on shop by brand.

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