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  • 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…

  • 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…

  • 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 …

  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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 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…

  • 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…

  • 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…

  • Ashless Grade 43 Quantitative Filter Papers

    GE Healthcare

    Intermediate in retention between Grades 40 and 41, and twice as fast as Grade 40. 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…

  • Filter Microfiber, Multigrade GMF Circles, 1µm, 47mm

    GE Healthcare

    Multigrade GMF 150 circles. Faster flow rate Extended life of filter Higher particulate loading capacity Whatman GMF 150 is a multilayer glass microfiber filter with a coarse top layer (10 µm) meshed with a finer layer of 1.0 µm or 2.0 µm. Manufactured from…

  • 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…

  • Quartz Air, Qm-A Sheets, 8 X 10 Inches

    GE Healthcare

    High-purity quartz (SiO2) microfiber filters are used for air sampling in acidic gases, stacks, flues and aerosols, particularly at high temperatures up to 500° C and in PM-10 testing. Because of the low level of alkaline earth metals, "artifact" products of sulfates and…

  • Grade 4V Qualitative Filter Papers

    GE Healthcare

    A prepleated filter paper 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…

  • Ashless Grade 589/1 Quantitative Filter Papers

    GE Healthcare

    The established standard in quantitative analysis for the filtration of coarse precipitates offering very high flow rate. These are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman quantitative filters from GE Healthcare are designed…

  • Grade 113 Qualitative Filter Papers

    GE Healthcare

    Ultra high loading capacity with a particle retention well suited for use with coarse or gelatinous precipitates. Fastest flow rate of the qualitative grades. Creped surface. Thickest filter paper in the qualitative range. These extremely strong filter papers have a high wet strength due to…

  • Grade 597 ½ Qualitative Filter Papers

    GE Healthcare

    A prepleated filter used for a wide variety of analytical routine applications in different industries like food testing (e.g., determination of fat content) or removal of carbon dioxide and turbidity from beverages (e.g., beer analysis). Savings in time required to quadrant-fold circles to…

  • Hardened Low Ash Grade 50 Quantitative Filter Papers

    GE Healthcare

    The thinnest of all Whatman filter papers with hardened and highly glazed surface, offering slow flow rate. Hardened low ash: 0.015% ash maximum. These filters are treated with a strong acid to remove trace metals and produce high wet strength and chemical resistance. Thesy are particularly…

  • GF/B Borosilicate Glass Microfiber Filter Discs

    GE Healthcare

    Efficient retention of small size particles to 1.0 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…

  • Hardened Ashless Grade 541 Quantitative Filter Papers

    GE Healthcare

    Supreme quantitative filter papers featuring fast filtration of coarse particles and gelatinous precipitates in acid/alkali solutions during gravimetric analysis. Hardened ashless: 0.006% ash maximum. These filters are acid-hardened to give high wet strength and chemical resistance with…

  • 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 …

  • Ashless Grade 589/3 Quantitative Filter Papers

    GE Healthcare

    Ashless standard filter paper for very fine precipitates offering highest efficiency for collecting very small particles. These are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman quantitative filters from GE Healthcare are designed…

  • Shark Skin Filter Papers for Technical Use

    GE Healthcare

    Creped, medium to slow filter paper. Resistant to weak acids and bases. Often used as a protective paper for filter press cloths, as well as in processing of cocoa butter and edible oils. These filter papers are made from super-refined cellulose and have been specifically designed to have…

  • Grade 597 Qualitative Filter Papers

    GE Healthcare

    A standard grade filter used for a wide variety of analytical routine applications in different industries like food testing (e.g., determination of fat content) or removal of carbon dioxide and turbidity from beverages (e.g., beer analysis). These cellulose filters are used in qualitative…

  • Grade 113V Qualitative Filter Papers

    GE Healthcare

    Very thick and strong filter with creped surface for extremely high loading capacity, particularly in folded form. Fastest flow rate of any qualitative grade. Highly suitable for coarse particles and gelatinous precipitates. Savings in time required to quadrant-fold circles to fit conical…

  • 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…

  • Ashless Grade 589/2 Quantitative Filter Papers

    GE Healthcare

    Ashless standard filter paper for medium fine precipitates offering medium filtration speed. These are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman quantitative filters from GE Healthcare are designed for gravimetric analysis and…

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