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Filtration Products
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  Ultrafiltration
 
Mixed Cellulose Esters (MCE) Membrane Filters
  • High purity, triton-free MCE or "Nitrocellulose" membranes are composed of a combination of cellulose nitrate and cellulose acetate
  • High porosity for increased flow rates without compromising filter integrity
  • Use for many standard laboratory applications, including filter sterilization, contamination analysis
  • Available specialty membranes include Opticlear (for hot block acetone vapor test) and Hydrophobic Edge (HE) membranes
      MCE Filter
    Magnification of MCE filter.
    Also available as syringe filter units.
     
    Product Specifications: MCE Membrane Filters
    Click here for chemical compatiblity information.
    Pore Size
    (μm)
    Color/
    Surface Type
    Bubble Point1
    Flow Rates2
    Porosity3
    (%)
    Thickness
    (μm)
    MPa
    psi
    Water
    (mL/min/cm2)
    Air
    (L/min/cm2)
    0.10
    White, Plain
    ≥0.24
    ≥35.3
    2.7
    0.67
    65
    110
    0.20
    White, Plain
    ≥0.37
    ≥54.5
    17.5
    2.4
    73
    133
    0.30
    White, Plain
    ≥0.28
    ≥41.2
    30
    3.7
    75
    140
    0.45
    White, Plain
    ≥0.24
    ≥35.0
    45
    5.0
    78
    145
    0.45
    White, Gridded
    ≥0.16
    ≥24.2
    80
    8.0
    79
    142
    0.45
    Black, Gridded
    ≥0.22
    ≥32.7
    50
    5.0
    78
    135
    0.45
    Green, Gridded
    ≥0.22
    ≥32.7
    50
    5.0
    78
    135
    0.65
    White, Plain
    ≥0.14
    ≥21.3
    120
    11.2
    79
    150
    0.80
    White, Plain
    ≥0.11
    ≥16.4
    165
    15.0
    80
    150
    0.80
    Black, Gridded
    ≥0.10
    ≥14.9
    170
    15
    80
    145
    0.80
    Green, Gridded
    ≥0.10
    ≥14.9
    170
    15
    80
    145
    1.00
    White, Plain
    ≥0.096
    ≥13.9
    220
    20.4
    80
    150
    3.00
    White, Plain
    ≥0.070
    ≥10.2
    300
    28.3
    81
    155
    5.00
    White, Plain
    ≥0.058
    ≥8.5
    400
    40.9
    81
    160
    Notes:
    1. Bubble Point is the minimum pressure required to force air through a membrane which has been prewet with water (0.1μm membranes prewet with isopropanol).
    2. Flow Rates indicate initial flow rate at 10 psi using a KGS 47 filter holder:
         Water: using prefiltered (0.1μm) water
         Air: using prefiltered nitrogen
    3. Porosity refers to the percent open area.
    Additional Specifications:
  • Wetting Time: <3 seconds to wet a φ47mm disk
          with aqueous 1% methylene blue
  • Max. Operating Temperature: 130°C
  • Refractive Index: 1.50
  • Ash Content: See below.
     
    Ash Content (ppm): White Plain MCE Membrane Filters
    Al
    <2.0
    Ca
    140.0
    Cd
    <0.5
    Cr
    8.0
    Cu
    <1.0
    Fe
    <5.0
    K
    6.0
    Li
    <1.0
    Mg
    10.0
    Mn
    <0.5
    Mo
    <1.0
    Na
    10.0
    Ni
    <5.0
    Pb
    <1.0
    Si
    <20.0
    Sn
    <5.0
    Ti
    <1.0
    Zn
    <1.0
     
    Ordering Information: MCE Membrane Filters
    Choose the appropriate Pore Size, Color, Surface Type, and Membrane Diameter from the charts below to select a catalog number. MCE Membrane filters are available as nonsterile filters in the packaging listed below. Product certification is available upon request.
  • For sterile membranes suitable for microbiology, please see our Microbiology Supplies.
  • For pure nitrocellulose suitable for chromatography or blotting, please see our Chromatography Products.
    For price and availablity of any membrane filter, call us at 1-800-334-7132 or click here to contact us by email.
     
    Plain White Disks
    Pore Size
    (μm)
    φ13 mm
    φ25 mm
    φ37 mm
    φ47 mm
    φ90 mm
    φ142 mm
    φ293 mm
    Package of 100
    Package of 25
    0.10
    A010A013A
    A010A025A
    A010A037A
    A010A047A
    A010A090C
    A010A142C
    A010A293C
    0.20
    A020A013A
    A020A025A
    A020A037A
    A020A047A
    A020A090C
    A020A142C
    A020A293C
    0.30
    A030A013A
    A030A025A
    A030A037A
    A030A047A
    A030A090C
    A030A142C
    A030A293C
    0.45
    A045A013A
    A045A025A
    A045A037A
    A045A047A
    A045A090C
    A045A142C
    A045A293C
    0.65
    A065A013A
    A065A025A
    A065A037A
    A065A047A
    A065A090C
    A065A142C
    A065A293C
    0.80
    A080A013A
    A080A025A
    A080A037A
    A080A047A
    A080A090C
    A080A142C
    A080A293C
    1.00
    A100A013A
    A100A025A
    A100A037A
    A100A047A
    A100A090C
    A100A142C
    A100A293C
    3.00
    A300A013A
    A300A025A
    A300A037A
    A300A047A
    A300A090C
    A300A142C
    A300A293C
    5.00
    A500A013A
    A500A025A
    A500A037A
    A500A047A
    A500A090C
    A500A142C
    A500A293C
     
    Gridded White Disks*
    Pore Size
    (μm)
    φ13 mm
    φ25 mm
    φ37 mm
    φ47 mm
    Package of 100
    0.45
    A045B013A
    A045B025A
    A045B037A
    A045B047A
    0.80
    A080B013A
    A080B025A
    A080B037A
    A080B047A
    *0.45μm filters have black grid lines; 0.80μm filters have green grid lines.
      Gridded White Sheets
    Pore Size
    (μm)
    30mm 30mm
    Package of 25
    0.45
    A045B304C
     
    Plain & Gridded Black Disks*
    Pore Size
    (μm)
    Surface Type
    φ13 mm
    φ25 mm
    φ37 mm
    φ47 mm
    φ137 mm
    Package of 100
    Package of 25
    0.45
    Plain
    A045N013A
    A045N025A
    A045N037A
    A045N047A
    -
    0.45
    Gridded
    A045P013A
    A045P025A
    A045P037A
    A045P047A
    A045P137C
    0.80
    Plain
    A080N013A
    A080N025A
    -
    A080N047A
    -
    0.80
    Gridded
    A080P013A
    A080P025A
    -
    A080P047A
    -
    *0.45μm 47mm disks (A045P047A) are available presterilized as A045P047S.
      HE White Disks
    Pore Size
    (μm)
    Surface Type
    φ47mm
    Package of 100
    0.20
    Plain
    A020J047A
    0.20
    Gridded
    A020K047A
    0.45
    Plain
    A045J047A
    0.45
    Gridded
    A045K047A
     
    Plain & Gridded Green Disks
    Pore Size
    (μm)
    Surface Type
    φ13 mm
    φ25 mm
    φ47 mm
    Package of 100
    0.45
    Plain
    A045U013A
    A045U025A
    A045U047A
    0.45
    Gridded
    A045V013A
    A045V025A
    A045V047A
    0.80
    Gridded
    -
    -
    A080V047A
      Opticlear White Disks
    Pore Size
    (μm)
    Surface Type
    φ25 mm
    φ37 mm
    φ47 mm
    Package of 100
    0.80
    Plain
    A080X025A
    A080X037A
    A080X047A
    0.80
    Gridded
    A080X025B
    A080X037B
    A080X047B
     
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