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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: €121.00

    Special Price €117.37

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

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

    Regular Price: €133.73

    Special Price €129.72

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

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

    Regular Price: €152.00

    Special Price €147.44

    SKU: ST11301-37-N
    In Stock
  4. Waters

    Filter PTFE 47 mm, 0.2 100/PK

    €472.00
    SKU: WTWAT200535
    In Stock
  5. Sartorius

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

    Regular Price: €106.00

    Special Price €102.82

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

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

    Regular Price: €276.00

    Special Price €267.72

    SKU: ST11807-13-N
    In Stock
  7. Waters

    Filter NYLON 47 mm, 0.2 100/PK

    €173.00
    SKU: WTWAT200533
    In Stock
  8. 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
  9. 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
  10. 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
    In Stock
  11. Waters

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

    €173.00
    SKU: WTWAT200539
    In Stock
  12. Sartorius

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

    Regular Price: €408.00

    Special Price €395.76

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

    Filter Disc, DISC, wwPTFE, 0,45 µm, 47 mm, 50 St/Pkg

    €179.00
    SKU: WT186009316
    In Stock
  14. 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
  15. Sartorius

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

    Regular Price: €170.00

    Special Price €164.90

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

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

    Regular Price: €107.00

    Special Price €103.79

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

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

    Regular Price: €125.00

    Special Price €121.25

    SKU: ST11107-47-N
    In Stock
  18. Whatman

    Capsule Filter, Polycap TF 36, 0.2µ

    Regular Price: €78.84

    Special Price €76.47

    SKU: WH6710-3602
    In Stock
  19. Waters

    Filter PTFE 47 mm, 0.45 100/PK

    €472.00
    SKU: WTWAT200534
    In Stock
  20. Whatman

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

    Regular Price: €174.00

    Special Price €168.78

    SKU: WH7195-004
    In Stock
  21. Waters

    Filter NYLON 47 mm, 0.45 100/PK

    €173.00
    SKU: WTWAT200532
    In Stock
  22. Sartorius

    Membrane Filter, CN, 25 mm, 0.45µm, 100 pc/PAK

    Regular Price: €90.00

    Special Price €87.30

    SKU: ST11306-25-N
    In Stock
  23. Sartorius

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

    Regular Price: €117.00

    Special Price €113.49

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

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

    Regular Price: €191.00

    Special Price €185.27

    SKU: WH10401114
  25. Sartorius

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

    Regular Price: €119.00

    Special Price €115.43

    SKU: ST13906-47-ACN
    In Stock
  26. Waters

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

    €173.00
    SKU: WTWAT200538
    In Stock
  27. Sartorius

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

    Regular Price: €106.00

    Special Price €102.82

    SKU: ST11306-50-N
    In Stock
  28. Millipore

    Membrane filter, round, Durapore, PVDF, 47 mm, 0,45 µm, 100/pac

    €215.00
    SKU: MPHVLP04700
    In Stock
  29. Waters

    Filter Disc, DISC, wwPTFE, 0,2 µm, 47 mm, 50 St/Pkg

    €179.00
    SKU: WT186009330
    In Stock
  30. Whatman

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

    Regular Price: €243.00

    Special Price €235.71

    SKU: WH10410012
  31. Whatman

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

    Regular Price: €302.00

    Special Price €292.94

    SKU: WH111101
  32. Whatman

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

    Regular Price: €121.57

    Special Price €117.92

    SKU: WH7060-4710
  33. Whatman

    Membrane filter, round, Nuclepore, PC, 19 mm, 0,40 µm, 100/pk

    Regular Price: €72.28

    Special Price €70.11

    SKU: WH10417104
  34. Whatman

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

    Regular Price: €136.84

    Special Price €132.73

    SKU: WH111703
  35. 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
  36. Whatman

    Membrane filter, round, Anodisc, AL2O3, 13 mm, 0,10 µm, 100/pk, without Supp.

    Regular Price: €530.00

    Special Price €514.10

    SKU: WH6809-7013
  37. Whatman

    Membrane filter, round, Anodisc, AL2O3, 25 mm, 0,20 µm, with Supp., 50/pk

    Regular Price: €429.00

    Special Price €416.13

    SKU: WH6809-6022
  38. Whatman

    Membrane Filter, round, Nuclepore, PC, 25 mm, 0.8 µm, 100 pc/PAK

    Regular Price: €75.90

    Special Price €73.62

    SKU: WH10417306
  39. Whatman

    Membrane Filter, round, Nuclepore, PC, 13 mm, 0.2 µm, 100 pc/PAK

    Regular Price: €53.55

    Special Price €51.94

    SKU: WH10417001
  40. Whatman

    Membrane filter, round, ME24/21 ST, MCE, 47 mm, 0,20 µm, 100/pk

    Regular Price: €136.79

    Special Price €132.69

    SKU: WH10406970
  41. Whatman

    Membrane filter, round, Cyclopore PC Clear, 25 mm, 5,00 µm, 100/pk

    Regular Price: €86.89

    Special Price €84.28

    SKU: WH7062-2513
  42. Whatman

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

    Regular Price: €124.37

    Special Price €120.64

    SKU: WH110603
  43. Whatman

    Membrane filter, round, ME25/31, MCE, 50 mm, 0,45 µm, black, sterile, 100/pk

    Regular Price: €154.00

    Special Price €149.38

    SKU: WH10409772
  44. Whatman

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

    Regular Price: €123.19

    Special Price €119.49

    SKU: WH10404106
  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, Cyclopore PC, 47 mm, 3,00 µm, 100/pk

    Regular Price: €121.57

    Special Price €117.92

    SKU: WH7060-4712
  47. Whatman

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

    Regular Price: €143.37

    Special Price €139.07

    SKU: WH7181-002
  48. Whatman

    Membrane Filter, round, Nuclepore, PC, 13 mm, 0.8 µm, 100 pc/PAK

    Regular Price: €65.87

    Special Price €63.89

    SKU: WH10417301
  49. Whatman

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

    Regular Price: €197.00

    Special Price €191.09

    SKU: WH10402014
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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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