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  • 934-AH™ Borosilicate Glass Microfiber Filters

    GE Healthcare

    1.5 µm Retention Efficient retention of small size particles to 1.5 µm Extremely high flow rate; filtration takes place both vertically and laterally through the filters High loading capacity, which continues to filter efficiently for a greater extended period …

  • Ashless Grade 40 Quantitative Filter Papers

    GE Healthcare

    The classic general-purpose ashless filter paper with medium speed and retention. Ashless: 0.007% ash maximum for Grades 40 to 44. These are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman quantitative filters from GE Healthcare are…

  • Grade 1 Qualitative Filter Papers

    GE Healthcare

    A widely used standard grade filter paper for routine applications with medium retention and flow rate. It covers a wide range of laboratory applications and is frequently used for clarifying liquids. These cellulose filters are used in qualitative analytical techniques to determine and…

  • GF/A Borosilicate Glass Microfiber Filters

    GE Healthcare

    1.6 µm Retention Efficient retention of small size particles to 1.6 µm Extremely high flow rate; filtration takes place both vertically and laterally through the filters High loading capacity, which continues to filter efficiently for a greater extended period …

  • Ashless Grade 42 Quantitative Filter Papers

    GE Healthcare

    A world standard for critical gravimetric analysis with the finest particle retention of all Whatman cellulose filter papers from GE Healthcare. Ashless: 0.007% ash maximum for Grades 40 to 44. These are very pure filters suitable for a wide range of critical analytical filtration…

  • Filter Holders

    GE Healthcare

    Plastic filtration holders For pressure or vacuum filtration Polycarbonate (4626N20 and N50) or polypropylene (4626N30) plastic, can be autoclaved with filter in place Holder inlet fits standard Luer syringe tip The 13 mm size holder is of 2-piece “Pop-Top” construction. No…

  • GF/F Borosilicate Glass Microfiber Filters

    GE Healthcare

    Efficient retention of small size particles to 0.7 µm Extremely high flow rate; filtration takes place both vertically and laterally through the filters High loading capacity, which continues to filter efficiently for a greatly extended period Highly resistant to chemical…

  • Ashless Grade 41 Quantitative Filter Papers

    GE Healthcare

    The fastest ashless filter paper, recommended for analytical procedures involving coarse particles or gelatinous precipitates (e.g., iron or aluminum hydroxides). Ashless: 0.007% ash maximum for Grades 40 to 44. These are very pure filters suitable for a wide range of critical analytical…

  • 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…

  • Grade 2 Qualitative Filter Papers

    GE Healthcare

    A standard grade filter used for monitoring specific contaminants in the atmosphere and in soil testing. These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate…

  • Grade GF/C Glass Microfiber Filters

    GE Healthcare

    Grade GF/C is the standard filter in many parts of the world for the collection of suspended solids in potable water and natural and industrial wastes. Grade GF/C: 1.2 µm Combines fine particle retention with good flow rate. Fast and efficient clarification of aqueous liquids…

  • 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. …

  • Grade 4 Qualitative Filter Papers

    GE Healthcare

    A standard grade filter used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical. These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also…

  • Puradisc™ 25 Syringe Filters

    GE Healthcare

    Quick and efficient sample filtration HPLC sample preparation Sterile isolation Autoclavable at 121°C Puradisc 25 is a 25 mm diameter syringe filter for sample volume throughput up to 100 mL . Low hold volumes of <100 µL allow for maximum sample recovery. Applications include HPLC aqueous…

  • 934-AH™ RTU Glass Microfiber Filters

    GE Healthcare

    The filter you trust just got better Whatman 934-AH RTU , one of the most widely used filters for Total Suspended Solids Analysis, is now available in a time-saving, Ready-To-Use ( RTU ) format. The 934-AH RTU contains the trusted binder-free, high quality borosilicate glass…

  • 25 mm GD/X Syringe Filters

    GE Healthcare

    Designed to facilitate manual filtration of viscous samples greater than 10 mL Wide range of membrane materials Polypropylene housing Model 4620K17 uses GMF-150 as its filter media. GMF-150 is a combination of two glass microfiber filters in one. Made from 100% borosilicate…

  • Polycap™ TC Polyethersulfone Capsule Filters

    GE Healthcare

    For filtration of critical biological and tissue culture solutions Inherently hydrophilic Low extractables Low protein binding Biosafe Sterile Capsule contains two layers of polyethersulfone (PES) membrane. The device is supplied pre-sterilized and has a vent to evacuate any air to allow…

  • Ashless Grade 44 Quantitative Filter Papers

    GE Healthcare

    Grade 44 is a thin version of Grade 42 that retains very fine particles but with lower ash weight per sample and almost twice the flow rate of Grade 42. Ashless: 0.007% ash maximum for Grades 40 to 44. These are very pure filters suitable for a wide range of critical analytical filtration…

  • Grade 3 Qualitative Filter Papers

    GE Healthcare

    A standard grade filter used in qualitative analytical techniques to determine and identify materials. For use in büchner funnels. Grade 3: 6 µm Double the thickness of Grade 1 with still finer particle retention and excellent loading capacity; more precipitate can be…

  • 1PS Phase Separator Papers

    GE Healthcare

    Whatman 1PS Phase Separator is a high-grade filter paper impregnated with a stabilized silicone that renders it hydrophobic, retaining the aqueous phase and passing the solvent phase through. Ease of use: No special training required Any number of separations can be processed together …

  • Whatman™ Mini-Uniprep™ Syringeless Filters

    GE Healthcare

    One-step sample preparation in one-third the time Reduces cost while increasing productivity 0.2 or 0.45 µm filter 12 x 32 mm vials Replace syringe-coupled filtration devices and autosampler vials with a single, disposable unit Available in seven different membrane…

  • Puradisc™ 13 Syringe Filters

    GE Healthcare

    Serve in HPLC and biological sample preparation Volume to 10 mL Filtration area of 1.3 cm 2 Autoclavable Puradisc syringe filters are designed for quick and efficient filtration of samples. Syringe filters are produced from pigment-free polypropylene and have standard inlet and outlet luer…

  • 13 mm GD/X Syringe Filters

    GE Healthcare

    Designed to facilitate manual filtration of viscous samples up to 10 mL Wide range of filter media Non-sterile 13 mm diameter Whatman GD/X disposable syringe filters are for the preparation of hard-to-filter samples. The syringe filters have a pigment-free polypropylene housing to eliminate…

  • 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

  • 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,…

  • GF/D Borosilicate Glass Microfiber Filters

    GE Healthcare

    Efficient retention of small size particles to 0.7 µm Extremely high flow rate; filtration takes place both vertically and laterally through the filters High loading capacity, which continues to filter efficiently for a greater extended period Highly resistant to chemical…

  • Puradisc 25 Syringe Filter, 0.45mm Nylon

    GE Healthcare

    Puradisc Syringe Filters combine premium quality and economy. They are well suited for quick, efficient filtration of samples up to 100 ml volume. Standard inlet and outlet luer connectors. Sterile option for critical applications. Choice of filter sizes (4 mm, 13 mm, or 30 mm) to…

  • 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…

  • Mini-UniPrep™ G2 Hand Compressor

    GE Healthcare

    Mini-UniPrep G2 Hand Compressor to be used with Mini-UniPrep G2 syringeless filters. Mini-UniPrep G2 syringeless filters are specifically designed for HPLC/UHPLC sample preparation. Mini-UniPrep G2 acts both as a filter and a glass autosampler vial. Mini-UniPrep G2 filters are designed to be loaded…

  • Grade 5 Qualitative Filter Papers

    GE Healthcare

    A standard grade clarifying filter excellent for cloudy suspensions and for water and soil analysis. These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and…

  • Grade 2V Qualitative Filter Papers

    GE Healthcare

    A prepleated filter widely used for general purpose filtration. Has excellent particle retention and a good filtration speed and loading capacity. Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses. Decreased overall…

  • Grade 91 Qualitative Filter Papers

    GE Healthcare

    A general purpose creped filter for less critical routine analysis. Widely used to assay sucrose in cane sugar and within pharmaceutical laboratories for routine filtration. These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically…

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