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Membrane Filters

Membrane filters are surface filters used to remove particulate or collect microorganism for analysis from solutions, on and near the surface of the filter matrix by mechanical means. Our wide range of membrane materials (PTFE, regenerated cellulose, nylon, cellulose nitrate, polycarbonate, aluminum oxide, etc.) provides the user with an array of solvent compatibility options, porosities, and pore sizes according to individual specific needs. Some membrane materials are also available sterile.

Membrane filters are typically used in both liquid and air filtration. They offer accurately controlled pore size distribution with high strength and flexibility, and are suitable for a wide range of applications such as basic research, environmental testing and pharmaceutical as well as food and beverage industries. We offer membrane filters by  industry leaders such as Merck Millipore, Pall, Sartorius & Whatman.

The most common materials are as follows:

Material: CA, CN, MCE, PA, PES, PTFE, PVDF, RC

Click here for more information on membrane filter materials.

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Membrane Filters

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  1. Sartorius

    Membrane Filter, round, CN, 50 mm, 0.45µm, white-green, sterile, 100 pc/PAK

    Regular Price: €131.00

    Special Price €98.25

    SKU: ST13906-50-ACN
    In Stock
  2. Sartorius

    Gelatine Filter, disposables, 80 mm, single sterile packed, 10 pc/PAK

    Regular Price: €145.07

    Special Price €140.72

    SKU: ST17528-80-ACD
    In Stock
  3. Whatman

    Capsule Filter, Polycap TF 36, 0.2µ

    Regular Price: €78.84

    Special Price €76.47

    SKU: WH6710-3602
    In Stock
  4. Whatman

    Membrane filter, round, NC45, CN, 50 mm, 0,45 µm, 100/pk

    Regular Price: €191.00

    Special Price €185.27

    SKU: WH10401114
  5. Whatman

    Membrane filter, round, ME25, ME, 25 mm, 0,45 µm, 100/pk

    Regular Price: €90.95

    Special Price €88.22

    SKU: WH10401606
    In Stock
  6. Whatman

    Membrane filter, round, ME24, MCE, 25 mm, 0,20 µm, 100/pk

    Regular Price: €90.95

    Special Price €88.22

    SKU: WH10401706
    In Stock
  7. Sartorius

    Membrane Filter, CA, 47 mm, 0.2µm, 100 pc/PAK

    Regular Price: €135.00

    Special Price €130.95

    SKU: ST11107-47-N
    In Stock
  8. Sartorius

    Membrane Filter, CN, 37 mm, 0.8µm, 100 pc/PAK

    Regular Price: €165.00

    Special Price €160.05

    SKU: ST11301-37-N
    In Stock
  9. Sartorius

    Membrane Filter, CN, 50 mm, 1.2µm, 100 pc/PAK

    Regular Price: €184.00

    Special Price €178.48

    SKU: ST11303-50-N
    In Stock
  10. Sartorius

    Membrane Filter, CN, 47 mm, 0.45µm, 100 pc/PAK

    Regular Price: €115.00

    Special Price €111.55

    SKU: ST11306-47-N
    In Stock
  11. Sartorius

    Membrane Filter, CN, 50 mm, 0.45µm, 100 pc/PAK

    Regular Price: €115.00

    Special Price €86.25

    SKU: ST11306-50-N
    In Stock
  12. Sartorius

    Hydrophobe Membrane Filter, PTFE, 47 mm, 0.45µm, 100 pc/PAK

    Regular Price: €442.00

    Special Price €428.74

    SKU: ST11806-47-N
    In Stock
  13. Sartorius

    Hydrophobe Membrane Filter, PTFE, 13 mm, 0.2µm, 100 pc/PAK

    Regular Price: €299.00

    Special Price €290.03

    SKU: ST11807-13-N
    In Stock
  14. Sartorius

    Membrane Filter, RC, round, non-sterile, 47 mm, 0.2µm, white without grid, 100 pc/PAK

    Regular Price: €224.00

    Special Price €217.28

    SKU: ST18407-47-N
    In Stock
  15. Waters

    Filter NYLON 47 mm, 0.45 100/PK

    €173.00
    SKU: WTWAT200532
    In Stock
  16. Waters

    Filter NYLON 47 mm, 0.2 100/PK

    €173.00
    SKU: WTWAT200533
    In Stock
  17. Waters

    Filter PTFE 47 mm, 0.45 100/PK

    €472.00
    SKU: WTWAT200534
    In Stock
  18. Waters

    Filter PTFE 47 mm, 0.2 100/PK

    €472.00
    SKU: WTWAT200535
    In Stock
  19. Waters

    Filter SUPOR (PES) 47 mm, 0.45 100/PK

    €173.00
    SKU: WTWAT200538
    In Stock
  20. Waters

    Filter SUPOR (PES) 47 mm, 0.2 100/PK

    €173.00
    SKU: WTWAT200539
    In Stock
  21. Hahnemühle

    Cellulose Acetate Membrane Filter, 47 mm, 0.45 µm, white, 100 pcs.

    €108.20
    SKU: HMNC04547BL
    In Stock
  22. Hahnemühle

    Cellulose Acetate Membrane Filter, 50 mm, 0.45 µm, white, 100 pcs.

    €123.00
    SKU: HMNC04550BL
    In Stock
  23. Sartorius

    Membrane Filter, CN, 25 mm, 0.2µm, white-black HE, non-sterile 100 pc/PAK

    Regular Price: €118.00

    Special Price €114.46

    SKU: ST13107-25-N
    In Stock
  24. Sartorius

    Membrane Filter, round, CN, 47 mm, 0.45µm, white-green, sterile, 100 pc/PAK

    Regular Price: €129.00

    Special Price €96.75

    SKU: ST13906-47-ACN
    In Stock
  25. Pall Corporation

    Membrane filter, round, Metricel, PP, 25 mm, 0,80 µm, black, 200/pac

    Regular Price: €241.00

    Special Price €228.95

    SKU: PA66587
    In Stock
  26. Pall Corporation

    Membrane filter, round, Ultipor Nylon, PA, 47 mm, 5,00 µm, 100/pac

    Regular Price: €196.00

    Special Price €186.20

    SKU: PANCG047100
    In Stock
  27. Whatman

    Membrane filter, round, ME26, ME, 25 mm, 0,60 µm, 100/pk

    Regular Price: €101.23

    Special Price €98.19

    SKU: WH10401506
    In Stock
  28. Whatman

    Membrane Filter, round, Nuclepore, PC, 47 mm, 0.6 µm, 100 pc/PAK

    Regular Price: €131.89

    Special Price €127.93

    SKU: WH10417212
    In Stock
  29. Whatman

    Membrane Filter, round, Nuclepore, PC, 25 mm, 0.2 µm, 100 pc/PAK

    Regular Price: €75.90

    Special Price €73.62

    SKU: WH10417006
    In Stock
  30. Waters

    Filter Disc, DISC, wwPTFE, 0,2 µm, 47 mm, 50 pc/PAK

    €179.00
    SKU: WT186009330
    In Stock
  31. Waters

    Filter Disc, DISC, wwPTFE, 0,45 µm, 47 mm, 50 pc/PAK

    €179.00
    SKU: WT186009316
    In Stock
  32. Sartorius

    Membrane Filter, round, CN, 47 mm, 0.65µm, white-green, sterile, 100 pc/PAK

    Regular Price: €129.00

    Special Price €125.13

    SKU: ST13905-47-ACN
    In Stock
  33. Whatman

    Capsule Filter, Polycap TF 75, 0.2µ

    Regular Price: €125.90

    Special Price €122.12

    SKU: WH6700-7502
  34. Whatman

    Capsule Filter, Polycap AS 36, 0.2µ

    Regular Price: €55.71

    Special Price €54.04

    SKU: WH6708-3602
  35. Whatman

    Capsule Filter, Polycap TF 75, 0.2µ

    Regular Price: €116.10

    Special Price €112.62

    SKU: WH6711-7502
  36. Whatman

    Membranfilter, MCE, ME 25, 50 mm, 0,45 µm, white, w/o net 100/Pak

    Regular Price: €128.68

    Special Price €124.82

    SKU: WH10401614
  37. Whatman

    Membrane filter, round, NC10, CN, 50 mm, 0,10 µm, 100/pk

    Regular Price: €197.00

    Special Price €191.09

    SKU: WH10402014
  38. Whatman

    Membrane filter, round, OE66, CA, 25 mm, 0,20 µm, 100/pk

    Regular Price: €123.19

    Special Price €119.49

    SKU: WH10404106
  39. Whatman

    Membrane filter, round, RC60, RC, 47 mm, 1,00 µm, 100/pk

    Regular Price: €243.00

    Special Price €235.71

    SKU: WH10410012
  40. Whatman

    Membrane filter, round, TE38, PTFE, 47 mm, 5,00 µm, 50/pk

    Regular Price: €272.00

    Special Price €263.84

    SKU: WH10411111
  41. Whatman

    Membrane filter, round, TE36, PTFE, 50 mm, 0,45 µm, 50/pk

    Regular Price: €278.00

    Special Price €269.66

    SKU: WH10411313
  42. Whatman

    Membrane filter, round, NL16, PA, 47 mm, 0,20 µm, 100/pk

    Regular Price: €174.00

    Special Price €168.78

    SKU: WH10414012
  43. Whatman

    Membrane filter, round, Nuclepore, PC, 25 mm, 0,05 µm, 100/pk

    Regular Price: €124.37

    Special Price €120.64

    SKU: WH110603
  44. Whatman

    Membrane filter, round, Nuclepore, PC, 47 mm, 0,015 µm, 100/pk

    Regular Price: €302.00

    Special Price €292.94

    SKU: WH111101
  45. Whatman

    Membrane filter, round, Nuclepore, PC, 47 mm, 0,05 µm, 100/pk

    Regular Price: €222.00

    Special Price €215.34

    SKU: WH111103
  46. Whatman

    Membrane filter, round, Nuclepore, PC, 90 mm, 0,05 µm, 25/pk

    Regular Price: €136.84

    Special Price €132.73

    SKU: WH111703
  47. Whatman

    Membrane filter, round, Anodisc, AL2O3, 47 mm, 0,20 µm, with Supp., 50/pk

    Regular Price: €762.00

    Special Price €739.14

    SKU: WH6809-5022
  48. Whatman

    Membrane filter, round, Anodisc, AL2O3, 25 mm, 0,10 µm, with Supp., 50/pk

    Regular Price: €429.00

    Special Price €416.13

    SKU: WH6809-6012
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Membrane filter of different materials have specific properties. Therefore, the choice of the correct filter depends greatly on the chemicals used. 
The following table gives an overview of application areas and chemical resistence of eah polymer. 

Celluloseacetate (CA)

Low protein-binding, well suited for sterile filtration and clear filtration of aqueous solutions, nutrient media, buffers, and sera, they provide superior chemical resistance to alcohol and oil. These hydrophilic membranes offer excellent flow rates as well as thermal stability up to 180° C max.

Cellulosenitrate (CN)

Cellulose nitrate membranes set the standard in both analytical and microbiological filtration. Cellulose nitrate is available in a range of pore sizes and is well suited for microbial analysis in water, food and beverage applications. Available in dispenser strips or individually sealed.

Polyamide (PA)

Membranes are hydrophilic and are widely used in both aqueous and organic solvent filtration applications. Well suited for sterilisation and clear filtration of buffers and nutrient media with a low level of extractables.

Polycarbonate (PC)

PC membranes have uniform, smooth, round pores that pass straight through the membrane creating a precise capillary structure. The smooth, flat surface of the PC membrane offers high visibility of captured particles.

Polytetrafluorethylen (PTFE)

Permanently hydrophobic filter material, very suitable for air and gas filtration. PTFE membranes are extremely resistant to aggressive solvents and acids and can be used to filter particulate from both liquid and gas samples.

Regenerated Cellulose (RC)

Regenerated cellulose membranes are resistant to solvents and are hydrophilic. 0.45 μm pore size is typically used for HPLC sample preparation.

 

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