Whatman™ Non-sterile ME 25 Mixed Cellulose Ester Membranes

Offers a larger adsorption of product with a high degree of internal surface area. Whatman™ Non-sterile ME25 Mixed Cellulose Membranes are available plain for automatic colony counting applications, as well as gridded to assist in manual counting procedures.

Brand: Whatman™

Manufacturer Part Number: 10401612

UNSPSC: 41104921

Code: 69

Additional Details:
Additional Details: CAS Number: 9004-70-0 Weight: 0.04000kg

Product Code. 10292131

Quantity Price
1 £ 96.17 / Pack of 100
In Stock 2
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Description and Specification


Membrane Type ME 25
Size (Metric) Grid 3.1mm
Diameter (Metric) Outside 47mm
Color White
Quantity 100Pack
Thickness (Metric) 145μm
Waterflow Rate 12.5 sec./100mL/12.5cm2
Product Type Mixed Cellulose Ester Membrane
Grid Color N/A
Material Mixed Cellulose Ester
Protein Binding Capacity Medium
Autoclavable Yes
Surface Type Plain
Sterile No
Temperature (Metric) Operating 130°C
Includes Interleaving paper
Pore Size 0.45μm

Composed of cellulose acetate and cellulose nitrate characterized by a smooth and uniform surface. Color contrast provided by the filter surface facilitates particle detection and minimizes eye fatigue.
  • Gridded surface (3.1mm intervals) make filters ideal for colony counting after incubation
  • Special nontoxic ink used is completely free from bacterial growth inhibitors
  • Manufactured under strictly controlled cleanroom conditions
  • Pore size: 0.45μm