Membranes

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Crystal Technologies

  • 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. …

  • S-Pak Filters

    MilliporeSigma

    S-Pak sterile, individually packed, gridded membrane filters are made from mixed esters of cellulose and have been optimized for MF method microbiological analysis of water or other liquids. Type HA (0.45 µm) for total coliform or yeast and mold analysis and type RA (1.2 µm) for yeast…

  • 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 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…

  • Micron-Sep Membrane Filters

    GVS Filter Technology

    MicronSep White Packs Available pre-sterilized or autoclavable with gridded surface. Autoclavable filters come in envelopes of 10 filters and 10 absorbent cellulosic pads. The envelopes are designed to withstand normal autoclaving environments and feature an indicator that changes color after…

  • Polycarbonate (PCTE) Membrane Filters

    GVS Filter Technology

    Microporous filters with precisely controlled pore size Hydrophilic- treated with PVP Smooth, flat surface Recommended for: water analysis and oceanography; surface capture for analysis; chemotaxis; microscopy; cytology (3, 5 and 8 µm); low protein binding applications pH…

  • GN-6 Metricel® MCE Membrane Disc Filters

    Pall Life Sciences

    Certified 0.45 µm membrane for microbiological analysis meets or surpasses regulatory specifications Mixed cellulose esters is the most accepted filter media for microbiological analysis, and provides maximum recovery of organisms Unique dot grid pattern gridline provides guidance…

  • 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…

  • 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…

  • Durapore® Membrane Filters

    MilliporeSigma

  • 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…

  • Sterile Mixed Cellulose Esters (MCE) Membrane Filters - Colored

    Advantec MFS

    Available pore sizes: 0.45µm and 0.80µm Color: Black or Green Surface: Gridded Packaging: Individually Wrapped and with or without Absorbent Pad. Pleated band for dispensers available. Advantec Mixed Cellulose Esters (MCE) colored membranes…

  • 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 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…

  • Non-Sterile Mixed Cellulose Esters (MCE) Membrane Filters - White, 0.20µm

    Advantec MFS

    Available pore sizes: 0.10µm, 0.20µm, 0.30µm, 0.45µm, 0.65µm, 0.80µm, 1.0µm, 3.0µm, 5.0µm Colors: White, Black, and Green Surfaces: Gridded or Plain, with or without Hydrophobic Edge (HE) Nonsterile bulk pack Mixed…

  • 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. …

  • GN-Metricel Membrane Filters

    Hach

    These 47-mm diameter, 0.45-µm pore size GN-Metricel membrane filters meet or surpass all U.S. Environmental Protection Agency (USEPA) and American Society for Testing and Materials (ASTM) specifications to ensure complete retention and maximum recovery of bacteria. Phosphate free. Plain. Non-Sterile.

  • 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…

  • Polycarbonate Filters

    Sartorius

    Sartorius membrane filters are available in a wide range of pore sizes, membrane types and diameters to fit the extensive array of applications being performed in the laboratory. Available in diameters from 13mm to 90mm and pore sizes from 0.1 to 8µm depending on material. Additionally, Cellulose…

  • 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…

  • Non-Sterile Mixed Cellulose Esters (MCE) Membrane Filters - White, 1.0µm

    Advantec MFS

    Available pore sizes: 0.10µm, 0.20µm, 0.30µm, 0.45µm, 0.65µm, 0.80µm, 1.0µm, 3.0µm, 5.0µm Colors: White, Black, and Green Surfaces: Gridded or Plain, with or without Hydrophobic Edge (HE) Nonsterile bulk pack Mixed…

  • 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…

  • Magna PES Membrane Filters

    GVS Filter Technology

    Uniform pore structure for low binding applications where reliable, fast flow rates and high throughputs are required Polyethersulfone Plain surface Hydrophilic Withstands temperatures up to 135°C Filters are inert, providing extremely low extractable levels in…

  • 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 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…

  • Microbiological Monitors

    GVS Filter Technology

    Microbiological Monitor: The membrane is fixed to the unit. Available 47 mm or 56 mm Features and Benefits: Rapid testing: Pre-sterilized reduces testing time by up to 70% No flaming required: Combined filtration unit minimizes the risk of cross-contamination Filtration…

  • DO Membrane, MDL 081010 3 Pk.

    Thermo Scientific Orion

    Reduce probe servicing time and eliminate assembly problems using Thermo Scientific™ Orion™ Membrane Caps for Polarographic Dissolved Oxygen Probe. Convenient screw-on membrane caps help ensure optimal probe performance. For use with Polarographic Dissolved Oxygen probes…

  • 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 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) …

  • Polyamide (Nylon) Filters

    Sartorius

    Sartorius membrane filters are available in a wide range of pore sizes, membrane types and diameters to fit the extensive array of applications being performed in the laboratory. Available in diameters from 13mm to 90mm and pore sizes from 0.1 to 8µm depending on material. Additionally, Cellulose…

  • 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…

  • QC Analysis Sterile Cellulose Nitrate Membrane Filters

    Sartorius

    Membrane filters for quantitative determination of microorganisms in QC analysis. Cellulose Nitrate (Cellulose Ester) and Cellulose Acetate filters are offered with or without a hydrophobic edge and/or grid, respectively. Sterile membranes are individually, packaged and are optionally available in…

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