Filtration

Here you will find everything your laboratory needs for filtration, such as: filters, folded filter, extraction sleeves, chromatography and whatman. This range is for biotech, hospitals, R&D, teaching and (quality) control. This collection holds 9.000 articles. The catalogue holds more than 150.000 articles. In-stock articles ship in two to five business days.

9000 products

Showing 1297 - 1320 of 9000 products

Showing 1297 - 1320 of 9000 products
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Sartofluor® LG Cartridge 0,2 µm 20'', Sartorius, art. 5182807T2LGSartorius
OEM GPE Systeme Sartofluor® LG Mini Cartridge 0,2 µm Size 7, Sartorius, art. 5181507T7EGPNSartorius
Sartofluor® LG Cartridge 0,2 µm 10'', Sartorius, art. 5182707T1LGSartorius
Sartofluor® LG Mini Cartridge 0,2 µm Size 7, Sartorius, art. 5181207T7BSartorius
Sartofluor® LG Cartridge 0,2 µm 10'', Sartorius, art. 5182507T1LGSartorius
Sartofluor® LG Midicaps® 0,2 µm Size 7, Sartorius, art. 5185307T7FFASartorius
Sartofluor® LG Midicaps® 0,2 µm Size 8, Sartorius, art. 5185307T8SSASartorius
Sartofluor® GA Cartridge 0,2 µm 30'' 25 pieces, Sartorius, art. 5182507T3GAGSartorius
Sartofluor® LG Midicaps® 0,2 µm Size 9, Sartorius, art. 5185307T9SOASartorius
Sartofluor® GA Cartridge 0,2 µm 20'', Sartorius, art. 5182507T2EGASartorius
Sartofluor® LG Capsule 0,2 µm Size 4, Sartorius, art. 5181307T4OOBSartorius
Sartofluor® LG Cartridge 0,2 µm 10'', Sartorius, art. 5182107T1LGSartorius
Sartofluor® LG Midicaps® 0,2 µm Size 0, Sartorius, art. 5185307T0SSVSartorius
Sartofluor® GA Cartridge 0,2 µm 5'', 25 pieces, Sartorius, art. 5182507T0GAGSartorius
Sartofluor® LG Midicaps® 0,2 µm Size 8, Sartorius, art. 5185307T8ZZASartorius
Sartofluor® LG Junior Cartridge 0,2 µm Size 7, Sartorius, art. 5181407T7BSartorius
Sartofluor® LG Midicaps® 0,2 µm Size 7, Sartorius, art. 5185307T7OOASartorius
Sartocool® PS membrane filter, Sartorius, art. 5302805A3Sartorius

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Questions about Filtration

Syringe filter, membrane filter or filter paper?

It depends on volume and purpose. For a few millilitres, such as an HPLC sample or a small sterile volume, use syringe filters. For larger volumes on a vacuum or pressure setup, and for microbiological analysis of water, use membrane filters in a filter holder. For coarse separations, qualitative work or gravimetric analysis, filter paper is the simple and economical choice. For process volumes, filter cartridges and capsules are the next step. Tell us your volume and liquid: sales@luminixhealth.com.

Which pore size?

Use 0.45 µm to clarify samples and remove particles before analysis, for example before HPLC. Use 0.2 or 0.22 µm when you need sterile filtration, such as for buffers, media and heat-sensitive solutions. For liquids with many particles, put a glass-fibre prefilter in front of the membrane: with a retention of around 0.7 to 1 µm it keeps the membrane from clogging. The glass-fibre syringe filter, 0.7 µm, 30 mm is one example. Also choose a membrane material that is compatible with your solvent.

Why Filtration?

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.

The wider catalogue is 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. We deliver across the EU in two to five days if in stock. 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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