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CN, white - black, sterile, 0.45 µm

Microsart® e.motion membrane filters for colony counting, particle testing and microscopy. The membrane filters, specifically designed for use in the Microsart® e.motion dispenser, are individually sterile-sealed in a format packaged on a pleated band, without protective paper. The special pleating of the band of membrane filters ensures that they are perfectly flat when dispensed. The membrane filters can also be used with Sartorius nutrient pad sets.

Item no.:  114H6Z-47----SFM

Price:  $290.00

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The Microsart® e.motion membrane filters are suitable for the use with the Microsart® e.motion dispenser. The filters are individually sterile-sealed on a band without any protective paper. The special pleating as well as the shape of the sealing of the band of membrane filters ensures a perfectly flat and uniform dispensing of the individual membrane filters.

The Microsart® e.motion membrane filters are also ideal for all users of the Sartorius Nutrient Pad Sets: most of the NPS types are available with Microsart® e.motion membrane filters.

  • Outstanding recovery rates for microorganisms
  • 0.45 µm are acc. to ISO 7704
  • Multi-fit: Fits into other dispensers
  • Protective paper-free
  • Packaged on a special pleated band
  • Product data is printed on individual envelopes
  • High flow membranes
  • Gamma irradiated, 25 kGray


47 or 50 mm in diameter, white, grey or green and gridded

Growth Promotion Test acc. to ISO 7704

  • no enhancement or inhibition by the grid lines
  • no enhancement or inhibition due to chemical extractables
  • no enhancement or inhibition by the sterilization process

Typical performance rates for various pore sizes

Pore size 0.2 µm* 0.45 µm** 0.45 µm high flow 0.65 µm
Flow rate for water per cm2 at 1bar acc. to DIN 58355 in ml/min 20 70 100 130
Coliform retention in % 100 100 100 n.a.
Recovery rate lot-released acc. to ISO 7704 in % 90 90 90 90


  • Application
    Microbial Enumeration
  • Market
    • Environmental/Water Testing
    • Food & Beverage
    • Pharma/Biotech


  • Filter Diameter
    ⌀ 47 mm
  • Membrane Thickness
    115 – 145 µm


  • High Flow

Materials of Construction

  • Membrane Material
    Cellulose Nitrate (CN; Cellulose Mixed Ester)

Operating Conditions

  • Thermal Resistance
    130 °C max.

Physicochemical Information

  • Chemical Compatibility
    Aqueous solutions (pH 4-8), hydrocarbons and several other organic solvents
  • Pore Size
    0.45 µm
  • Wettability

Product Information

  • Pack Size
  • Package Type
    Dispenser Ready
  • Primary Product Type
    Membrane Filters
  • Type
    Membrane filter


  • Membrane Color | Grid Color
    white | black


  • Delivery Condition

Usage Protocols

  • Sterilization Method
    Gamma irradiation