Membrane Filters

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  • Whatman Pop-Top and Swin-Lok Plastic Filter Holders

    GE Healthcare

    Filter holders designed for microfiltration and ultra cleaning of small volumes of liquids using positive pressure. Designed for microfiltration and ultra cleaning of small volumes of liquids using positive pressure. All three holders will accommodate Nuclepore track-etched and cast membranes. …

  • Whatman Nylon Membrane Circles

    GE Healthcare

    High-quality nylon membranes are suitable for filtering aqueous solutions and most organic solvents. High-quality nylon membranes are suitable for filtering aqueous solutions and most organic solvents. The membranes are suitable for use with a wide range of biological preparations and can be used…

  • Whatman Sterile Mixed Cellulose Ester Membranes ? 0.2 µm

    GE Healthcare

    Whatman sterile MCE membrane filters from GE Healthcare’s Life Sciences business are plain or gridded filters designed to support routine cell counting and particle detection. Excellent contrast for easy particle detection High internal surface area for sample adsorption High dirt loading…

  • Whatman Sterile Cellulose Nitrate Membrane Filters

    GE Healthcare

    Recommended for microbiological culturing and sample preparation, GE’s Whatman cellulose nitrate membrane filters offer very narrow pore size distribution and low levels of extractables. Sterile membrane filters eliminate the risk of contamination that could impact analysis High strength and…

  • Membrane Marking Pen

    GE Healthcare

    The membrane marking pen is a high-xylene, felt-tipped marker that permanently writes on nitrocellulose and nylon membranes used in standard transfer procedures. The membrane marking pen is a high-xylene, felt-tipped marker that permanently writes on nitrocellulose and nylon membranes used in…

  • Whatman Cyclopore PC Polycarbonate Clear Membrane Filters

    GE Healthcare

    GE’s clear Whatman polycarbonate membrane filters are made from a pure polymeric film that provides exceptional chemical cleanliness during microfiltration, as well as high visibility under the microscope. Contaminant free to minimize chemical leaching Low tare weight and minimal water…

  • Whatman Grade GF 92 Glass Microfiber Filters with Binder

    GE Healthcare

    Whatman Grade GF 92 glass microfiber filters from GE are designed for prefiltration in order to protect against membrane fouling. Grade GF 92 is strengthened with an inorganic binder. Inorganic binder provides increased strength Temperature resistant up to 500°C Medium filtration speed …

  • Nytran SuPerCharge (SPC) Blotting Membranes

    GE Healthcare

    Nytran SPC Nytran SPC Whatman Nytran nylon membranes are available in two formats: Nytran N is moderately charged and Nytran SuPerCharge (SPC) has a very high positive charge. Nytran SPC nylon membranes have a very high positive charge. Improvements in the manufacturing process result in a…

  • Whatman Sterile Cellulose MicroPlus Membrane Filters

    GE Healthcare

    GE’s sterile Whatman MicroPlus-21 cellulose nitrate membrane filters are for microbiological quality control. The STL version is compatible with Membrane-Butler and other membrane filter dispensers. All MicroPlus-21 membrane filters are white with a high-contrast black grid (3.1 mm) …

  • PTFE Membrane Circles

    GE Healthcare

    Whatman PTFE membranes are chemically stable and inert. They are suitable for applications involving aggressive organic solvents, strong acids, and alkalis. PTFE membranes are particularly suitable for preparing samples for HPLC analysis. The hydrophobic nature of the membrane also has applications…

  • Whatman Non-Sterile Mixed Cellulose Ester Membranes 0.45 µm

    GE Healthcare

    Mixed cellulose ester, WME range, circles, gridded Sterile options available for critical applications. 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 Acetate Membranes, OE 67

    GE Healthcare

    Whatman cellulose acetate membranes made from pure cellulose acetate making them suitable for biological and clinical analysis, sterility tests, and scintillation measurements. Cellulose acetate membrane filters exhibit very low protein binding capacity. They are hydrophilic making them…

  • Mixed Cellulose Ester Membranes, 0.6µm

    GE Healthcare

    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…

  • ME25 Select/21 Membrane Circles

    GE Healthcare

    Thomas No. 1210M15 ME 25 Select 21 ST membrane circles white, 47 mm, mixed esters, 0.45 µm, 3.1 mm black grid, sterile, individual packs, 100/pk Thomas No. 1210M16 ME 25 Select 21 ST membrane circles white, 50 mm, mixed esters, 0.45 µm, 3.1 mm black grid, sterile, individual packs, 100/pk…

  • Mixed Cellulose Ester Membranes, 3µm

    GE Healthcare

    The membrane offers a high degree of internal surface area for greater adsorption of product. Grids are nontoxic and do not inhibit bacterial growth, ensuring sample integrity. No surfactants to contaminate samples. Biologically inert with good thermal stability. Sterile options…

  • Whatman Nuclepore Track-Etched Polycarbonate (Hydrophobic) PVP-Free Membranes

    GE Healthcare

    Low protein binding and low extractables ensuring no sample contamination. High chemical resistance and good thermal stability for a wide range of samples. Low, consistent ash and low tare weights. Smooth flat surface for good visibility of particles. Low protein binding and low extractables…

  • Grade GF 8 Glass Microfiber Filters with Binder

    GE Healthcare

    Grade GF 8 glass microfiber filter used in the filtration of coarse particles. Grade GF 8: Inorganic binder This glass fiber filter is used in the filtration of coarse particles. Frequently used in: Environmental analysis, in the determination of PCB, DDE, DDT, furans, and dioxins in…

  • Whatman Vacuum Type Glass Holders

    GE Healthcare

    Membrane holder produced from borosilicate glass, suitable for aqueous and organic solvent filtration. Membrane holder produced from borosilicate glass, suitable for aqueous and organic solvent filtration. Vacuum type glass holders Produced from borosilicate glass and available with a choice of…

  • Mixed Cellulose Ester Membranes, 0.45µm

    GE Healthcare

    The membrane offers a high degree of internal surface area for greater adsorption of product. Higher dirt loading capacity. Black plain and black gridded membranes have a mix of cellulose nitrate and cellulose acetate. Uniform microporous structure of membrane gives high flow rates. No…

  • Cellulose Nitrate Membrane Filters, Type WCN

    GE Healthcare

    Produced from high-purity nitrocellulose Resistant to mild acids, hydrocarbons, formaldehyde, aniline, isopropyl and petroleum ethers, oils, gasoline and kerosene Attacked by strong acids, bases, ethyl amines, ketones and esters Smooth-surfaced and flexible 0.2 µm pore size…

  • Whatman Membrane-Butler

    GE Healthcare

    Membrane-Butler, manual butler for dispensing filtration membranes High reliability. Simple handling with foot switch and stepper motor (applies only to Butler E). Cross contamination risks are minimized. Membrane dispensed rapidly. Highly suitable for use on sterile benches. Compact…

  • Whatman Cyclopore PC Polycarbonate Membrane Filters

    GE Healthcare

    GE’s Whatman Cyclopore polycarbonate membranes are true pore size microporous membranes featuring the sharp cut-off and reproducible microfiltration characteristics of track-etched membrane filters. Low affinity for stains improves visibility under a microscope Low protein binding minimizes…

  • Grade GF 6 Glass Microfiber Filters with Binder

    GE Healthcare

    Grade GF 6 glass microfiber filter with good retention for very fine particles. This filter is used in water pollution applications, for removing protein from difficult-to-filter beers, for determination of chlorophyll and phytoplankton residues, for the determination of filterable substances…

  • Mixed Cellulose Ester Membranes

    GE Healthcare

    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…

  • Whatman Non-Sterile Mixed Ester Membrane Filters ? 0.2 µm

    GE Healthcare

    Whatman non-sterile mixed cellulose ester (MCE) filters from GE are suitable for E. coli culturing, enumeration of bacteria, and other culturing and cell counting methods. Plain and gridded options for ease of colony and cell counting methods Supports visual enumeration of bacteria …

  • Whatman Non-Sterile Cellulose Nitrate Membranes 0.2 µm

    GE Healthcare

    Cellulose nitrate membranes, circles, plain Narrow pore size distribution for improved surface capture and analysis. Low levels of extractables to ensure sample integrity. Narrow pore size distribution for improved surface capture and analysis.Low levels of extractables to ensure sample…

  • Whatman Cyclopore PC Polycarbonate Black Membrane Filters

    GE Healthcare

    GE’s Whatman brand Cyclopore black membrane filter is a polycarbonate track etch membrane (PCTE membrane) that provides a contrast background for epifluorescence and other microscopy applications. High sample visibility, provided by the black membrane filter surface Negligible absorption and…

  • Whatman Nuclepore Polycarbonate AOX Analysis Membranes

    GE Healthcare

    GE’s Nuclepore filters are manufactured from high-quality polycarbonate film, with sharply defined pore sizes and high flow rates for reproducible AOX analysis. High chemical resistance and thermal stability for a wide range of samples Low, consistent ash levels and low tare weights Compatible…

  • Protran BA85 Membranes

    GE Healthcare

    BA85 Protran disc BA85 Protran disc

  • Whatman Polyester Drain Discs

    GE Healthcare

    For use with membrane hardware where extra support is needed for improved flow rate and throughput. For use with membrane hardware where extra support is needed for improved flow rate and throughput. The polyester drain disc is binder free and has a thickness of 100 µm. It provides a flat surface…

  • Non-Sterile Cellulose Nitrate Membranes – 8 µm

    GE Healthcare

    Cellulose nitrate membranes, circles, plain Narrow pore size distribution for improved surface capture and analysis. Low levels of extractables to ensure sample integrity. Recommended for the majority of routine applications, this membrane is manufactured under strictly…

  • Whatman Polyamide Membrane Circles

    GE Healthcare

    Whatman polyamide membranes are made from pure polyamide making them the universal filter for clarification and sterile filtration. Whatman polyamide membranes are made from pure polyamide making them the universal filter for clarification and sterile filtration. Polyamide membrane filters are…

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