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whatman Mixed Cellulose Esters Membranes
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Non-Sterile Mixed Cellulose Ester Membranes 0.2 µm


Whatman MCE filters from GE Healthcare’s Life Sciences business are composed of cellulose acetate and cellulose nitrate, giving the membrane a more uniform surface than pure nitrocellulose filters. Browse GE’s other MCE filter options to find the right filter for your application.


Whatman MCE filter for E. coli culturing

MCE filters support microbiology applications such as E. coli culturing. The porous membrane structure enables the uptake of growth media to the bacterial colonies without chemically inhibiting their growth. The gridded surface simplifies visual enumeration of bacteria, including E. coli, enterococci, clostridia, fecal coliforms, staphylococci, and Pseudomonas aeruginosa.


Plain and gridded MCE membrane options are available. The gridded option has grid lines spaced at 3.1 mm intervals. Grids are nontoxic and do not inhibit bacterial growth, ensuring sample integrity.


Looking for a filter paper, membrane filter, or syringe filter? Let GE help you find the optimal filter for your needs to ensure reliable analysis.



  • Specification
  • Features



Mixed Cellulose Ester Filter, ME Range (ME 24), plain, 0.2 µm pore size, 25 mm circle (100 pcs)

Complete Packsize100 Pieces
Grid Dimension3.1 mm
Interleaving PaperYes
MaterialMixed Cellulose Ester (MCE)
Membrane TypeME 24
Operating Temp. Max.130°C
Pore Size0.2 µm
Porosity Max.77%
Porosity Min.74%
Protein BindingMedium
Solvent ResistanceMedium
Water Flow Rate [Delta p equals 0.9 bar]20 s/100 ml/12.5 cm2
Weight Max.5.0 mg/cm2
Weight Min.4.3 mg/cm2



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