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Membrane filters are surface filters used to remove particulate or collect microorganism for analysis from solutions, mainly on and near the surface of the filter matrix by mechanical means. Our broad offering 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 in sterile format.

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 a suitable choice 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 Sartorius and Whatman.

Here you can find more information about the membrane filter materials.

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Membrane Filters

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  1. Capsule Filter, Polycap AS 36, 0.2µ
    Whatman

    Capsule Filter, Polycap AS 36, 0.2µ

    $58.72
    sku: WH6708-3602
  2. Capsule Filter, Polycap TF 36, 0.2µ
    Whatman

    Capsule Filter, Polycap TF 36, 0.2µ

    $83.09
    sku: WH6710-3602
  3. Membrane filter, round, Porafil CM, MCE, 47 mm
    Macherey-Nagel

    Membrane filter, round, Porafil CM, MCE, 47 mm, 0,45 µm, white, ster.

    $169.51
    sku: MN65300045047
  4. Membrane filter, round, Porafil CM, MCE, 50 mm
    Macherey-Nagel

    Membrane filter, round, Porafil CM, MCE, 50 mm, 0,45 µm, white, ster.

    $172.04
    sku: MN65300045050
  5. Membrane filter, round, Porafil CM, MCE, 50 mm
    Macherey-Nagel

    Membrane filter, round, Porafil CM, MCE, 50 mm, 0,45 µm, black, ster.

    $179.63
    sku: MN65310045050
  6. Membrane filter, round, Porafil CM, MCE, 0,45 mm
    Macherey-Nagel

    Membrane filter, round, Porafil CM, MCE, 0,45 mm, 0,45 µm, gr., ster.

    $179.63
    sku: MN65320045050
  7. Membrane filter, round, Nuclepore, PC, 25 mm, 0,20 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore, PC, 25 mm, 0,20 µm, 100/pk

    $78.80
    sku: WH110606
  8. Membrane filter, round, Nuclepore, PC, 25 mm, 0,80 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore, PC, 25 mm, 0,80 µm, 100/pk

    $78.80
    sku: WH110609
  9. Membrane filter, round, Nuclepore AOX, PC, 25 mm, 0,40 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore AOX, PC, 25 mm, 0,40 µm, 100/pk

    $138.51
    sku: WH110637
  10. Membrane filter, round, Nuclepore, PC, 47 mm, 0,015 µm, 100/pk
    Whatman

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

    $319.70
    sku: WH111101
  11. Filter GHP 47 mm, 0.2µm 100/PK
    Waters

    Filter GHP 47 mm, 0.2µm 100/PK

    Regular Price: $168.89

    Special Price $152.00

    sku: WT186003524
  12. Filter NYLON 47 mm, 0.45 100/PK
    Waters

    Filter NYLON 47 mm, 0.45 100/PK

    Regular Price: $156.67

    Special Price $141.00

    sku: WTWAT200532
  13. Filter NYLON 47 mm, 0.2 100/PK
    Waters

    Filter NYLON 47 mm, 0.2 100/PK

    Regular Price: $156.67

    Special Price $141.00

    sku: WTWAT200533
  14. Filter PTFE 47 mm, 0.45 100/PK
    Waters

    Filter PTFE 47 mm, 0.45 100/PK

    Regular Price: $417.78

    Special Price $376.00

    sku: WTWAT200534
  15. Filter PTFE 47 mm, 0.2 100/PK
    Waters

    Filter PTFE 47 mm, 0.2 100/PK

    Regular Price: $417.78

    Special Price $376.00

    sku: WTWAT200535
  16. Filter PTFE 13 mm, 0.45 100/PK
    Waters

    Filter PTFE 13 mm, 0.45 100/PK

    Regular Price: $253.33

    Special Price $228.00

    sku: WTWAT200536
  17. Filter GH POLYPRO 47 mm, 0.45 100/PK
    Waters

    Filter GH POLYPRO 47 mm, 0.45 100/PK

    Regular Price: $166.67

    Special Price $150.00

    sku: WTWAT200537
  18. Filter SUPOR (PES) 47 mm, 0.45 100/PK
    Waters

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

    Regular Price: $151.11

    Special Price $136.00

    sku: WTWAT200538
  19. Filter SUPOR (PES) 47 mm, 0.2 100/PK
    Waters

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

    Regular Price: $151.11

    Special Price $136.00

    sku: WTWAT200539
  20. Filter SUPOR (PES) 13 mm, 0.45um 100/PK
    Waters

    Filter SUPOR (PES) 13 mm, 0.45um 100/PK

    Regular Price: $94.44

    Special Price $85.00

    sku: WTWAT200540
  21. Cellulose Acetate Membrane Filter, 47 mm, 0.45 µm, white, 100 pcs.
    Hahnemühle

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

    $119.60
    sku: HMNC04547BL
  22. Membrane filter, round, Metricel, PP, 85 mm, 0,45 µm, 50/pac
    Pall Corporation

    Membrane filter, round, Metricel, PP, 85 mm, 0,45 µm, 50/pac

    $59.69
    sku: PA60016
  23. Membrane filter, round, WCN, CN, 25 mm, 0,10 µm, 100/pk
    Whatman

    Membrane filter, round, WCN, CN, 25 mm, 0,10 µm, 100/pk

    $151.81
    sku: WH7181-002
  24. Capsule Filter, Polycap TF 36, 0.2µ
    Whatman

    Capsule Filter, Polycap TF 36, 0.2µ

    $88.47
    sku: WH6700-3602
  25. Membrane filter, round, AE100, CN, 47 mm, 12,0 µm, 100/pk
    Whatman

    Membrane filter, round, AE100, CN, 47 mm, 12,0 µm, 100/pk

    $234.60
    sku: WH10400012
  26. Membrane filter, round, AE99, CN, 50 mm, 8,00 µm, 100/pk
    Whatman

    Membrane filter, round, AE99, CN, 50 mm, 8,00 µm, 100/pk

    $214.00
    sku: WH10400114
  27. Membrane filter, round, AE98, CN, 47 mm, 5,00 µm, 100/pk
    Whatman

    Membrane filter, round, AE98, CN, 47 mm, 5,00 µm, 100/pk

    $202.00
    sku: WH10400212
  28. Membrane filter, round, ME28, MCE, 25 mm, 1,20 µm, 100/pk
    Whatman

    Membrane filter, round, ME28, MCE, 25 mm, 1,20 µm, 100/pk

    $128.40
    sku: WH10400806
  29. Membrane filter, round, NC45, CN, 50 mm, 0,45 µm, 100/pk
    Whatman

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

    $195.62
    sku: WH10401114
  30. Membrane filter, round, ME25, ME, 25 mm, 0,45 µm, 100/pk
    Whatman

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

    $94.69
    sku: WH10401606
  31. Membrane filter, round, ME24, MCE, 142 mm, 0,20 µm, 25/pk
    Whatman

    Membrane filter, round, ME24, MCE, 142 mm, 0,20 µm, 25/pk

    $153.79
    sku: WH10401731
  32. Membrane filter, round, OE67, CA, 25 mm, 0,45 µm, 100/pk
    Whatman

    Membrane filter, round, OE67, CA, 25 mm, 0,45 µm, 100/pk

    $127.35
    sku: WH10404006
  33. Membrane filter, round, OE66, CA, 25 mm, 0,20 µm, 100/pk
    Whatman

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

    $127.35
    sku: WH10404106
  34. Membrane filter, round, RC55, RC, 25 mm, 0,45 µm, 100/pk
    Whatman

    Membrane filter, round, RC55, RC, 25 mm, 0,45 µm, 100/pk

    $192.05
    sku: WH10410206
  35. Membrane filter, round, RC55, RC, 50 mm, 0,45 µm, 100/pk
    Whatman

    Membrane filter, round, RC55, RC, 50 mm, 0,45 µm, 100/pk

    $290.95
    sku: WH10410214
  36. Membrane filter, round, RC55, RC, 100 mm, 0,45 µm, 25/pk
    Whatman

    Membrane filter, round, RC55, RC, 100 mm, 0,45 µm, 25/pk

    $203.55
    sku: WH10410219
  37. Membrane filter, round, RC58, RC, 47 mm, 0,20 µm, 100/pk
    Whatman

    Membrane filter, round, RC58, RC, 47 mm, 0,20 µm, 100/pk

    $286.35
    sku: WH10410312
  38. Membrane filter, round, TE38, PTFE, 50 mm, 5,00 µm, 50/pk
    Whatman

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

    $320.14
    sku: WH10411113
  39. Membrane filter, round, Nuclepore, PC, 13 mm, 0,20 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore, PC, 13 mm, 0,20 µm, 100/pk

    $55.58
    sku: WH110406
  40. Membrane filter, round, Nuclepore, PC, 25 mm, 0,015 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore, PC, 25 mm, 0,015 µm, 100/pk

    $174.80
    sku: WH110601
  41. Membrane filter, round, Nuclepore, PC, 25 mm, 0,03 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore, PC, 25 mm, 0,03 µm, 100/pk

    $124.96
    sku: WH110602
  42. Membrane filter, round, Nuclepore, PC, 25 mm, 0,08 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore, PC, 25 mm, 0,08 µm, 100/pk

    $131.70
    sku: WH110604
  43. Membrane filter, round, Nuclepore, PC, 25 mm, 10,0 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore, PC, 25 mm, 10,0 µm, 100/pk

    $78.80
    sku: WH110615
  44. Membrane filter, round, Nuclepore, PC, 47 mm, 0,10 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore, PC, 47 mm, 0,10 µm, 100/pk

    $234.60
    sku: WH111105
  45. Membrane filter, round, Nuclepore, PC, 47 mm, 0,40 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore, PC, 47 mm, 0,40 µm, 100/pk

    $136.93
    sku: WH111107
  46. Membrane filter, round, Nuclepore, PC, 47 mm, 1,00 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore, PC, 47 mm, 1,00 µm, 100/pk

    $136.93
    sku: WH111110
  47. Membrane filter, round, Nuclepore, PC, 47 mm, 3,00 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore, PC, 47 mm, 3,00 µm, 100/pk

    $136.93
    sku: WH111112
  48. Membrane filter, round, Nuclepore, PC, 47 mm, 5,00 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore, PC, 47 mm, 5,00 µm, 100/pk

    $136.93
    sku: WH111113
  49. Membrane filter, round, Nuclepore, PC, 47 mm, 8,00 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore, PC, 47 mm, 8,00 µm, 100/pk

    $136.93
    sku: WH111114
  50. Membrane filter, round, Nuclepore, PC, 47 mm, 10,0 µm, 100/pk
    Whatman

    Membrane filter, round, Nuclepore, PC, 47 mm, 10,0 µm, 100/pk

    $136.93
    sku: WH111115
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Membrane filter of differnet materials possesses  specific properties. Therefore the choice of the correct filter extremly depends on the chemicals used. 
The following table gives an overview of application areas and chemical resistence of every single polymere. 

Celluloseacetate (CA)

Low protein-binding, well suited for sterile filtration and clarification 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 sterilization and clarification of buffers and nutrient media with a low level of extractables.

Polycarbonate (PC)

PC membranes have uniform, smooth-bore, 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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