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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 …

  • 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…

  • 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/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 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 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • Acid Treated, Low Metal TCLP Filters

    GE Healthcare

    Binder-free, borosilicate glass microfiber Filters are designed to determine the leaching potential in a landfill for hazardous organic and inorganic contaminants that could potentially migrate into groundwater and drinking water sources. Particle retention rating of 0.6 to 0.8…

  • 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 …

  • 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…

  • 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…

  • 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…

  • 8 RULED 70MM 100/PK

    GE Healthcare

    Grade 8 Ruled Filter Paper White cotton linter filter paper with printed green lines for optical assessment 5mm green rules are resistant to aqueous, non-aqueous solution For routine investigations of foreign substances in a variety of sample types

  • Hardened Ashless Grade 540 Quantitative Filter Papers

    GE Healthcare

    Supreme quantitative filter papers offering medium retention and flow rate. Hardened ashless: 0.006% ash maximum. These filters are acid-hardened to give high wet strength and chemical resistance with extremely low ash content. The tough surface makes these filters suitable for a wide range…

  • Filter Paper Type 802, 12.5cm

    GE Healthcare

    Whatman™ Reeve Angel™ 802 prepleated qualitative circles Folded for fast filtration of coarse particles and gelatinous precipitates Grade 802, is manufactured primarily for routine, noncritical laboratory filtration applications Pleating and creped surface increase…

  • 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…

  • Hardened Low Ash Grade 54 Quantitative Filter Papers

    GE Healthcare

    Very fast filtration for use with coarse and gelatinous precipitates. High wet strength makes this grade very suitable for vacuum-assisted fast filtration of "difficult" coarse or gelatinous precipitates. Hardened low ash: 0.015% ash maximum. These filters are treated with a…

  • 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…

  • Filter Paper 15cm

    GE Healthcare

    Whatman™ Reeve Angel™ 802 prepleated qualitative circles Grade 802 filters are prepleated with a creped surface providing a relatively higher filtration area than in smooth paper of the same diameter Folded for fast filtration of coarse particles and gelatinous precipitates …

  • Reeve Angel Grade 226 Creped Filter Paper

    GE Healthcare

    Grey, creped surface provides optical contrast for white or dark filtrates Retains coarse or gelatinous precipitates (20-25 µm) High filtration speed High wet strength 0.28 mm thick High-loading capacity filters are used extensively in sugar and pharmaceutical…

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