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  • 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. …

  • Filters Membrane Circles, Cellulose Nitrate, White Gridded, 0.45µm, 47mm

    GE Healthcare

    Mixed cellulose ester membrane, WME range, circle, white/black grid, 3.1 mm, 0.45 µm, 47 mm 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…

  • 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…

  • Nylon Membranes

    GE Healthcare

    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 where other membranes are unsuitable or difficult to use. Nylon membranes are hydrophilic,…

  • 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…

  • Mixed Cellulose Ester Membranes, 0.2µm

    GE Healthcare

    Sterile options available for critical applications. Uniform microporous structure of membrane gives high flow rates. Excellent contrast for easier particle detection. No surfactants to contaminate samples. Biologically inert with good thermal stability. Higher dirt loading capacity.…

  • PM2.5 Air Monitoring Membrane

    GE Healthcare

    A high-purity, thin PTFE membrane in a sequentially numbered chemically resistant polypropylene support ring for PM 2.5 ambient air monitoring. Whatman PM 2.5 membranes have low tare mass for accurate gravimetric determinations. The thermally stable design eliminates curling, keeps the membrane…

  • 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 Circles, Cellulose Nitrate, White Plain, 0.1µm 47mm

    GE Healthcare

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

  • Anopore Inorganic Membranes

    GE Healthcare

    Anopore inorganic membranes are composed of aluminum oxide and exhibit a highly controlled, uniform capillary pore structure and a high pore density. These filters are suitable for use in a wide range of specialized applications, including HPLC mobile phase filtration and degassing, bacterial…

  • 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 Circles, Cellulose Nitrate, White Plain, 0.2µm 47mm

    GE Healthcare

    Low levels of extractables to ensure sample integrity Narrow pore size distribution for improved surface capture and analysis Recommended for the majority of routine applications, this membrane is manufactured under strictly controlled conditions. The user will benefit from the…

  • Black Polycarbonate Membrane Filters

    GE Healthcare

    Greatly reduce background fluorescence in epifluorescence microscopy applications Also useful in particle counting as most particles are compressed against the dark background Pore size 0.2 µm

  • Membrane Circles, Cellulose Nitrate, White Plain, 0.8mm 90mm

    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…

  • Membrane Circles, PTFE, White Plain, 0.5µm 47mm

    GE Healthcare

    Grade WTP PTFE Membrane Filter Chemically stable and inert to handle most aggressive solvents, acids and alkalis Normally used in HPLC analysis for sample filtration where any solid particles can cause permanent damage to the column Hydrophobic nature of the membrane also has…

  • Cellulose Nitrate Membrane Filter Discs, WCN

    GE Healthcare

    Cellulose Nitrate, WCN Type Made from high-purity nitrocellulose. Cast to produce a uniformly porous, non-fibrous membrane. Contains non-cytotoxic wetting agent. Autoclavable at 121°C; tolerates temperatures to 130°C For colony and plaque screening

  • Membrane Holder, Stainless Steel Syringe Filter Type, 13mm

    GE Healthcare

    The holders are designed for the quick and easy clarification, sterilization, and removal of particulates from small volume samples, typically for HPLC applications. Stainless steel and polypropylene with luer fittings for use with a standard syringe Holders contain PTFE gaskets and…

  • 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…

  • 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…

  • Membrane Marking Pen PK10

    GE Healthcare

    For marking nitrocellulose and nylon transfers. The membrane marking pen is a high-xylene, felt-tipped marker that permanently writes on nitrocellulose and nylon membranes used in standard transfer procedures. Ensures easy identification and orientation of gel transfers, colony and…

  • Protran BA85 Membranes

    GE Healthcare

  • PES 47MM 0.8uM 100/PK

    GE Healthcare

    Polyethersulfone (PES) membranes, circles . Whatman polyethersulfone (PES) membranes are hydrophilic, low protein binding, and stable in alkaline pH. Available in a 0.8 µm pore size, the PES membrane is recommended for aqueous applications and for biological samples. Whatman PES membrane…

  • Blotting Membranes

    GE Healthcare

    0.45 µm pore size High signal-to-noise ratios Lies flat without curling Moderately charged Nytran® N membrane is for applications that require a lower charge. It is designed for Southern and Northern blotting as well as colony and plaque lifts and Dot-/Slot-blots.…

  • AE99/5 8uM 50MM 100/PK HYRIM

    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…

  • Membrane Circles, Cellulose Nitrate, White Plain, 5µm 47mm

    GE Healthcare

    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 controlled conditions. The user will benefit from the…

  • 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…

  • 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…

  • Black Cyclopore™ PC Polycarbonate Membranes

    GE Healthcare

    Black Cyclopore membranes are highly suitable for epifluorescence and other microscopy applications requiring a contrasting background. The polycarbonate membrane is used to filter the sample and is then used directly for analysis. The dark membrane gives lower background fluorescence and improves…

  • Nuclepore Track-Etched Polycarbonate Gold-Coated Membranes

    GE Healthcare

    Smooth flat surface for good visibility of particles. 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. Nuclepore track-etched…

  • Cellulose Acetate Membranes, ST 69

    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…

  • 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…

  • Nytran Nylon Blotting Membranes

    GE Healthcare

    The Nytran N is a moderately charged nylon membrane for applications that require a lower charge. It is designed for Southern and Northern blotting as well as colony & plaque lifts and Dot-/Slot-blots. Nytran N is compatible with isotopic and non-isotopic detection methods. Nytran N membrane…

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