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Whatman™ 10400806
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Whatman™ Non-sterile Mixed Cellulose Ester Membrane Filter, 1.2 µm Pore Size, 25 mm dia

Membrane Filter, 25 mm dia, Mixed Cellulose Ester, 1.2 µm Pore Size, Circle Format, Plain, ME 28, 140 µm Thickness, 74 to 77% Porosity, 3.1 mm Grid Size, 4.3 to 5 mg/cm2 Basis Weight, Non-sterile, Autoclavable

  • Manufacturer Part No: 10400806
  • SECO Part No: GEH-10400806
  • Sold As:
  • Availability: loading

Whatman mixed cellulose ester membranes are composed of cellulose acetate and cellulose nitrate. These membranes are characterized by a smoother and more uniform surface than pure nitrocellulose filters. Also, the color contrast provided by the filter surface facilitates particle detection and minimizes eye fatigue. The ME range has a lower cellulose acetate content compared to the WME range of membranes.

Diameter : 25 mm
Material (ml/min) : Mixed Cellulose Ester
Grid Size : 3.1 mm
Pore Size : 1.2 µm
Sterility : Non-sterile
Type : Plain, ME 28
Bubble Point : 11.6 psi
Burst Pressure : >10 psi
Format : Circle
Interleaving Paper : Yes
Nominal Air Flow Rate : 9.3 sec/100 ml
Nominal Basis Weight : 4.3 to 5 mg/cm2
Operating Temperature : 130°C
Porosity : 74 to 77%
Protein Binding : Medium
Solvent Resistancy : Medium
Thickness : 140 µm
Typical Water Flow Rate : 2 sec/100 ml/12.5 cm2
Application : For Higher Flow Rates and Larger Volume Filtration Including Clarification or Sterilization of Aqueous Solutions, Particulate Analysis and Removal, Air Monitoring and Microbial Analysis
Autoclavable : Yes
  • Excellent contrast for easier particle detection
  • Grids are nontoxic and do not inhibit bacterial growth, ensuring sample integrity
  • Black plain and black gridded membranes have a mix of cellulose nitrate and cellulose acetate
  • The membrane offers a high degree of internal surface area for greater adsorption of product
  • Higher dirt loading capacity
  • Biologically inert with good thermal stability
  • No surfactants to contaminate samples
  • Uniform microporous structure of membrane gives high flow rates
  • Eased counting process
  • pdf Brochure /ASSETS/DOCUMENTS/ITEMS/EN/10400012.pdf

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