Membrane Filters

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  • 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 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 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 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 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 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 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 …

  • 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 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…

  • 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 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 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 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…

  • 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 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 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 …

  • 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 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 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 …

  • 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…

  • 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 Syringe Type Holders

    GE Healthcare

    Membrane holder, stainless steel syringe filter type Membrane holder, stainless steel syringe filter type Available in stainless steel and polypropylene with luer fittings for use with a standard syringe. The holders are designed for the quick and easy clarification, sterilization, and removal of…

  • 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…

  • 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…

  • 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…

  • Whatman Anodisc Circle with Support Ring

    GE Healthcare

    Anopore inorganic membranes (Anodisc), circles, with support ring High pore density and narrow pore size distribution make it an extremely precise membrane. Wide solvent compatibility reduces the need to stock a variety of membranes in the laboratory. No additives used in the manufacturing…

  • 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…

  • 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…

  • 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) …

  • Mixed Cellulose Ester Membranes, 0.8µm

    GE Healthcare

    Higher dirt loading capacity. Excellent contrast for easier particle detection. No surfactants to contaminate samples. Biologically inert with good thermal stability. Sterile options available for critical applications. Black plain and black gridded membranes have a mix of cellulose…

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