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


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

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