Whatman™ Non-sterile ME 25 Mixed Cellulose Ester Membranes Available on GSA/VA Contract for Federal Government customers only.

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.

Manufacturer: Whatman™ 10406812

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Catalog No. 09-874-623

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    Membrane Type ME 25
    Diameter (Metric) Outside 47mm
    Size (Metric) Grid 3.1mm
    Autoclavable Yes
    Color White
    Diameter (English) Outside 1.85 in.
    Grid Color Black
    Hydrophobicity Hydrophilic
    Includes Interleaving paper
    Material Mixed Cellulose Ester
    Pore Size 0.45μm
    Protein Binding Capacity Medium
    Sterile No
    Surface Type Grid
    Temperature (English) Operating 266°F
    Temperature (Metric) Operating 130°C
    Thickness (Metric) 145μm
    Waterflow Rate 12.5 sec./100mL/12.5cm2
    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

  • Description & Specifications

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