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Thumbnail Filmstrip of MCE Designed for TOC Determinations, .45 um, Prerinsed, 150mm Diameter, 50/Pk Images
Mixed Cellulose Ester (MCE) Membrane Filters - SF181129
The Tisch SF181129 combines a controlled pore size distribution with low extractable levels, ensuring the data accuracy that sensitive analytical methods require. Developed with critical workflows in mind, quality-controlled manufacturing ensures the filtration medium delivers the retention efficiency and throughput that demanding laboratory protocols require. Each membrane disc reflects a manufacturing standard where retention characteristics, physical integrity, and dimensional accuracy are verified before release.
Material Specifications
- Mixed Cellulose Ester membranes combine cellulose acetate and cellulose nitrate polymers to deliver a smoother, more flexible membrane surface than pure cellulose nitrate.
- Spontaneous aqueous wettability reduces sample preparation time and eliminates the risk of solvent carryover from pre-wetting procedures.
- The biologically inert blend of cellulose acetate and cellulose nitrate provides a membrane surface optimized for organism capture and colony enumeration in microbiological assays.
- Known for excellent wetting properties and high flow rates in aqueous filtration.
- Supplied in bulk non-sterile packaging, offering an economical option for routine clarification and general laboratory filtration tasks.
When your analytical method specifies membrane filtration as a sample preparation step, the retention characteristics and extractable profiles documented above allow you to meet method requirements without additional qualification work. The uniform surface structure of mixed cellulose ester membranes provides the optically flat background that your microscopy and particulate analysis methods require for accurate visualization and particle counting. Elevate the quality of your analytical data today by standardizing on a filtration product built to meet the exact specifications of your applications.
For more information about chemical compatibility, please review our Chemical Compatibility Chart.
- Bubble Point (psi)
- ≥21.8 psi (water, 25°C)
- Color
- White
- Diameter
- 150mm
- Extractables
- Moderate
- Filtration Area
- 176.71cm²
- Flow Rate
- ≥27 mL/min/cm²
- Grid (Yes/No)
- No
- Material
- Mixed Cellulose Ester (MCE)
- Maximum Operating Temperature (°C)
- 60°C
- Membrane Thickness (µm)
- 80-120um
- Pack Count
- 50
- pH Range
- 2-10pH
- Pore Size (µm)
- 0.45
- Sterility
- Nonsterile
- Sterilization
- Autoclave, EtO, Gamma Irradiation
- Support Material
- PET
- Weight
- 0.39
- Wettability
- Hydrophilic
- Aerosol Analysis - Dissolves completely in acid digestion, allowing for the total chemical analysis of captured airborne metal particulates.
- Black Grid Analysis - Black membrane variants enhance contrast for light-colored colonies, reducing eye strain during manual plate counting.
- Aqueous Filtration - Biologically inert composition provides high flow rates and consistent reliability for routine laboratory fluid processing.
- Gravimetric Analysis - Maintains structural integrity during filtration and drying, providing precise weight measurements of retained particulates.
- Yeast & Mold Monitoring - Optimized for the recovery of larger fungal organisms in beverage testing, providing a clear background for ID.
- Microscopy mounting - Can be made transparent with immersion oil, allowing for direct light microscopy of retained particles on the surface.