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…

  • 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…

  • 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 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 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 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…

  • 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 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 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 Cyclopore Polycarbonate Thin 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 Negligible absorption and…

  • 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…

  • 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…

  • 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

  • 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…

  • 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…

  • 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 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 …

  • 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 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 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…

  • 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 Grade GF 6 Glass Microfiber Filters with Binder

    GE Healthcare

    Whatman Grade GF 6 glass microfiber filters from GE Healthcare’s Life Sciences business are suitable for water and wastewater analysis, with extremely fine particle retention and added strength. Sub micron filter retention efficiency to capture extremely small particles Inorganic binder for…

  • 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 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 Non-Sterile Cellulose Nitrate Membranes 12 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 Grade GF 8 Glass Microfiber Filters with Binder

    GE Healthcare

    GE’s Whatman Grade GF 8 glass microfiber filters are used for filtration of coarse particles. GF 8 offers faster filtration and a higher air flow rate compared to the similar Grade GF 9 filters. Nominal particle retention of 3 µm Air flow rate of 12 s/100 ml/1.56 cm² Inorganic binder for…

  • Whatman QM-H Quartz Fiber Filters

    GE Healthcare

    Whatman QM-H from GE is a pure quartz fiber filter for use in testing acidic gases, stacks, flues, and aerosols. Whatman QM-H has low heavy metal content so is well-suited for heavy metals analysis. High stability up to 900°C High filtration efficiency Binder-free Minimal reactivity with…

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