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…

  • 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…

  • Nuclepore Track-Etched Polycarbonate (Hydrophilic) Membranes

    GE Healthcare

    Nuclepore track-etched polycarbonate membranes are manufactured from high-quality polycarbonate film and have sharply defined pore sizes, high flow rates, and excellent chemical and thermal resistance. The membranes have a smooth flat surface and exhibit very low levels of extractables. …

  • Whatman PFTE Membrane Filters, TE Range

    GE Healthcare

    Whatman PTFE membrane filters from GE Healthcare’s Life Sciences business are chemically stable and inert, making them suitable for use with aggressive organic solvents, strong acids, and alkalis. The TE range features polypropylene support material for improved strength and handling …

  • 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…

  • 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 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…

  • Whatman Nuclepore Polycarbonate Hydrophilic Membranes

    GE Healthcare

    GE’s Nuclepore track-etched hydrophilic membrane filters offer a highly defined pore size cutoff in the sub-micron range, enabling particle deformity measurement and capture of extremely small particles. Track-etched for highly defined pore size and high pore density Treated with PVP to render…

  • Whatman Vacuum-Type Glass Membrane Holder, glass reservoir

    GE Healthcare

    Vacuum-Type Glass Membrane Holder, glass reservoir, 47 mm, 300 ml volume, membrane filter accessories Vacuum-Type Glass Membrane Holder, glass reservoir, 47 mm, 300 ml volume, membrane filter accessories

  • 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…

  • Cyclopore™ PC Polycarbonate Membranes

    GE Healthcare

    Membrane filters for asbestos sampling and analysis Controlled pore size distribution Smooth flat membrane: particles are retained on surface and easily visible during optical analysis Nuclepore membranes available in two versions: gold coated or uncoated Asbestos analysis is…

  • Whatman Sterile Mixed Cellulose Ester Membranes, 0.45 µm

    GE Healthcare

    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 nitrate and cellulose acetate. The membrane…

  • Whatman Regenerated Cellulose Membrane Filter Circles

    GE Healthcare

    GE’s Whatman regenerated cellulose membrane filters are microporous cellulose acetate filters made without wetting agents. RC60 offers low extractables and wide compatibility in both organic and aqueous media. Spontaneous wetting with very good wet strength Chemical resistance suitable for a…

  • 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…

  • Whatman Nuclepore Polycarbonate Membranes - Black

    GE Healthcare

    GE’s Nuclepore black membrane filters are polycarbonate track-etched (PCTE) membranes with high particle visibility for standard plate count and epifluorescence microscopy applications. Smooth, gridded PCTE membrane surface efficiently supports microorganism enumeration in a standard plate count…

  • Whatman Polyethersulfone (PES) Membrane Filter

    GE Healthcare

    Whatman polyethersulfone (PES) membrane filters from GE Healthcare’s Life Sciences business are hydrophilic and stable in alkaline pH, making them suitable for biological samples and aqueous applications. Low protein binding minimizes nonspecific protein adsorption Hydrophilic membrane suitable…

  • 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…

  • 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 Non-Sterile Cellulose Nitrate Membrane Filters ? 0.1 µm

    GE Healthcare

    GE’s cellulose nitrate Whatman membrane filters offer narrow sub-micron pore size distribution and low extractable levels. Very fine particles can be retained for recovery or microscopic viewing. Standard membrane filter for most applications involving particles and cells from 0.1 µm to 12.0 µm …

  • 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…

  • Membrane Circles, Cellulose Nitrate, White Plain, 0.45mm 90mm

    GE Healthcare

    Recommended for the majority of routine applications, this membrane is manufactured under strictly controlled conditions. The user will benefit from the performance improvements that are now available in Whatman membrane filters, including very narrow pore size distribution and low levels of…

  • 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 PM2.5 Air Monitoring Membrane Filters

    GE Healthcare

    GE’s Whatman PM2.5 PTFE membrane filters are designed for PM 2.5 ambient air monitoring. These high-purity, thin filters are sequentially numbered and come with chemically resistant polypropylene support rings. Polypropylene support rings for robotic air sampling Thermally stable design…

  • Whatman Anopore Inorganic Membranes Without Support Ring

    GE Healthcare

    Anopore inorganic membranes (Anodisc) from GE are well suited for a variety of filtration applications. With a novel aluminum matrix and honeycomb pore structure, Anodisc facilitates controlled filtration. Extreme precision due to high pore density and narrow pore size Virtually transparent…

  • 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…

  • 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 PTFE Membrane Filters ? WTP Range

    GE Healthcare

    Whatman PTFE membranes from GE are strong hydrophobic membrane filters resistant to the corrosive solvents and aggressive media used in gas sterilization and liquid clarification. Polypropylene grid support material for increased strength Temperature resistant up to 120°C Resistant to most…

  • 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…

  • 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…

  • Whatman Cellulose Acetate Membrane Filters

    GE Healthcare

    GE’s Whatman cellulose acetate membrane filters have very low protein binding, which minimizes sample loss when filtering protein-based aqueous samples. Minimal sample loss in protein-based samples due to low protein binding Pure cellulose acetate composition, minimizing sample contamination …

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