Membrane Filters

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  • 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…

  • Optional support backing for improved handling Filter corrosive solvents Sterile venting Protect pumps and machinery from aqueous aerosols PTFE membrane is a thin, highly porous film that behaves as an absolute retentive membrane. Their inherently hydrophobic nature make PTFE…

  • Cytiva 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…

  • Overview The Isopore membrane is a polycarbonate, track-etched screen filter recommended for all analyses in which the sample is viewed on the surface of the membrane. Isopore membrane offers distinct advantages for the analysis of airborne contaminants and other particles using optical or…

  • The Discover12 hollow fiber cartridges are the product of choice for membrane screening, or for generating early scale-up data for process development. It’s also a perfect tool for scale down studies, in trouble shooting large scale processes. Discover12 are ideal for processing small…

  • Magna™ Nylon Membrane Filters

    GVS Filter Technology

    Wide chemical compatibility Naturally hydrophilic Wide range of pore sizes Recommended for: aqueous, solvent and mobile phase filtration; HPLC sample penetration and solvent filtration; clarification and sterilization Autoclavable pH range: 3-12 Manufactured using a…

  • Sterile Mixed Cellulose Esters (MCE) Membrane Filters - White Available pore sizes: 0.20µm, 0.45µm, 0.65µm, 0.80µm, 1.0µm, 3.0µm Color: White Surface: Gridded or Plain, and with or without Hydrophobic Edge (HE) Packaging: Individually wrapped or…

  • Filter both aqueous and organic solvents Optically clear when wet Hydrophilic PTFE membranes are a thin, unsupported, highly porous film that offers maximum chemical and pH resistance to a broad range of aqueous and organic solvents. This membrane exhibits high flow rates with minimal…

  • Biologically inert mixtures of cellulose acetate and cellulose nitrate have made MF-Millipore™ membrane filters one of the most widely used membranes in analytical and research applications. Features & Benefits Versatile filter for biological and environmental monitoring…

  • Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still…

  • EZFlow 25mm, 47mm, and 90mm membrane disc filters are used to retain particles or microorganisms by surface capture. The membrane disc filters are available in 0.22µm or 0.45µm pore sizes. The Nylon membrane is has great chemical resistance and makes them ideal for filtering more aggressive…

  • Low protein binding Low aqueous extractables Advantec Cellulose Acetate (CA) membrane filters are low protein binding and ideally suited for applications such as diagnostic cytology and receptor binding studies. Cellulose Acetate's hydrophilic nature and it's low absorptive…

  • For epifluorescence microscopy Smooth flat surface- micro-organisms are retained in one plane on the surface Do not stain Essentially zero autofluorescence Recommended for: epifluorescence microscopy; water testing; observation of bacteria (0.2-5 µm), yeasts and molds…

  • 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…

  • For chemotaxis and venting applications Smooth flat surface Recommended for: chemotaxis, cell studies, PVP-free for coating applications Hydrophobic polycarbonate membrane filters are identical to the standard PCTE filters except they are manufactured without the wetting agent.…

  • EZFlow 25mm, 47mm, and 90mm membrane disc filters are used to retain particles or microorganisms by surface capture. The membrane disc filters are available in 0.22µm or 0.45µm pore sizes. The Hydrophobic PTFE membrane is bonded to a polypropylene support and due to its extreme chemical…

  • 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…

  • Magna PTFE (Teflon) Membrane Filters

    GVS Filter Technology

    Aggressive chemical compatibility Inherently hydrophobic Laminated and unlaminated Unlaminated membranes are more compatible with strong acids, aggressive solvents and high temperatures Recommended for: aggressive solvents, strong acids or base filtration; sterilization,…

  • 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…

  • 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…

  • 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…

  • Explorer24 Green is gamma irradiated, glycerin free and ready to use without any pre-rinse or sanitization. The WaterSep Green Line is true plug-and-play, connect, use and discard. The extractable level is approximately 80x less, than a glycerin conditioned membrane, and after a quick buffer…

  • Cytiva 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…

  • Ahlstrom offers a full range of glass microfiber filters manufactured from 100% pure borosilicate glass. Because of their intrinsic properties, glass microfiber filters have wide applications in many areas of laboratory analysis, especially when fine filtration and high loading capacity is…

  • Cytiva 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…

  • Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that…

  • 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…

  • Ahlstrom offers a full range of glass microfiber filters manufactured from 100% pure borosilicate glass. Because of their intrinsic properties, glass microfiber filters have wide applications in many areas of laboratory analysis, especially when fine filtration and high loading capacity is…

  • 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…

  • Cytiva 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) …

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