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Whatman™ ME Membrane Filters

Manufactured from cellulose nitrate developed specifically for microbiological quality control. Whatman™ MicroPlus and ME Membrane Filters provide the optimal analytical method for monitoring production processes.

Manufacturer: whatman™  10409470

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Catalog No. 09-806-218

  • / Pack of 100 Each

Description & Specifications


Temperature (Metric) Operating 130°C
Autoclavable Yes
Hydrophobicity Hydrophilic
Protein Binding Capacity Medium
Membrane Type ME25
Size (Metric) Grid 0.31cm
Grid Color Black
Surface Type Grid
Product Type Membrane Filter
Pore Size 0.45μm
Temperature (English) Operating 266°F
Sterile Yes
Color Green
Includes Interleaving paper
Material Mixed Cellulose Ester
Diameter (Metric) Outside 4.7cm


  • Made from mixed cellulose esters
  • Economical
  • Specifically for aqueous solutions
  • Hydrophilic
  • For use up to 125°C
  • Sterile, individually packed
  • All membrane filters have a high-contrast grid (3.1mm)
  • Excellent contrast for easier particle detection
  • Grids are nontoxic and do not inhibit bacterial growth, ensuring sample integrity
  • High degree of internal surface area for greater adsorption of product, high dirt loading capacity
  • Biologically inert with good thermal stability
  • No surfactants to contaminate samples
  • Uniform microporous structure of membrane gives high flow rates