Fine Filter Paper

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Fine Filter Paper
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  • Filter Paper 11cm Gd230

    GE Healthcare

    Whatman Reeve Angel® Grade 230 qualitative filter paper circles Grade 230, is manufactured primarily for routine, non-critical laboratory filtration applications For fine chemicals, pharmacology, oils, culture media, emulsions, soaps and detergents, water tests Creped surface …

  • Whatman Grade 4 Qualitative Filter Papers

    GE Healthcare

    filter used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical. 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

  • Qualitative Filter Paper

    Advantec MFS

    fine crystalline ppt like BaSO4. Slow flow. Higher wet strength and will withstand suction. Nominal Retention: 3 µm. Grade No. 235 Highest retention efficiency collecting very fine ppt. Very slow flow rate. Nominal Retention: 1 µm. Grade No. 101 Creped filter paper

  • Filter Paper 230 Pk-50 12.5cm

    GE Healthcare

    Whatman Reeve Angel® Grade 230 qualitative filter paper circles Grade 230, is manufactured primarily for routine, non-critical laboratory filtration applications For fine chemicals, pharmacology, oils, culture media, emulsions, soaps and detergents, water tests Creped surface …

  • Grade 4 Qualitative Filter Papers

    GE Healthcare

    …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…

  • Quantitative Ashless Filter Paper

    Advantec MFS

    Advantec Quantitative Ashless Filter Papers are made from the highest quality alpha cotton cellulose. One critical step in the manufacturing process of these filter papers is acid washing. All grades are double acid washed in hydrochloric then hydrofluoric acid to reduce levels of SiO2, CaO, and…

  • Grade 5 Qualitative Filter Papers

    GE Healthcare

    filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 5: 2.5 µm The maximum degree of fine

  • Ashless Grade 42 Quantitative Filter Papers

    GE Healthcare

    …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 procedures. Whatman quantitative filters from GE Healthcare are designed for…

  • Whatman Grade 5 Qualitative Filter Papers

    GE Healthcare

    …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 increased loading capacity compared to equivalent flat filters. Grade 5: 2.5 µm The maximum degree of fine

  • Whatman Grade 593½ Qualitative Filter Papers

    GE Healthcare

    …contact between filter and funnel maintains flow rate.Eliminated need to quadrant-fold filter circles to fit conical funnels saves time in repetitive or multiple analyses.Prepleated filters have the same technical properties as the respective filter circles.A standard grade filter papers for fine

  • Whatman Grade 602EH½ Qualitative Filter Papers

    GE Healthcare

    Grade 602EH½ Qualitative Filter Papers for very fine precipitates. Maintains flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself. Decreased overall filtration time because of the extra surface area exposed; the normal slow…

  • Hardened Low Ash Grade 50 Quantitative Filter Papers

    GE Healthcare

    …similar to those of the acid-hardened ashless filter papers. Grade 50: 2.7 µm Retention of very fine crystalline precipitates. The thinnest of all Whatman filter papers. The hardened and highly glazed surface finish keeps the paper free from loose surface fibers. Highly suitable…

  • Grade 542 Pleated (Fluted) Filter Paper

    Ahlstrom

    …maximize the efficiency of the laboratory filter system. Pleating improves the effective surface area increasing flow rate and loading capacity thus decreasing filtration time. Pleated circles are available in 12.5cm to 50cm diameters. Filter paper base: 642 Retention in µm: 2 …

  • Whatman Grade 597 Qualitative Filter Papers

    GE Healthcare

    …and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 597: 4-7 µm A medium fast filter paper with medium to fine particle retention. Used for a wide variety of analytical…

  • Whatman Grade 595 Qualitative Filter Papers

    GE Healthcare

    …identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 595: 4-7 µm Very popular, thin filter paper, medium-fast with medium to fine particle retention. Used for many routine…

  • Qualitative Filter Paper Circles, Ahlstrom 950

    Ahlstrom

    …amount present. Qualitative filter papers are often used in routine separation work that still requires high purity and consistent performance. Ahlstrom 950: 2.0µm – Slow Speed This slow flow rate grade with very good retention is used in the filtration of fine precipitates and super…

  • Whatman Grade 602 h Qualitative Filter Papers

    GE Healthcare

    …materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 602 h: A dense filter paper for collecting very small particles and removing fine precipitates. Used in sample preparation…

  • Whatman Grade 597 ½ Qualitative Filter Papers

    GE Healthcare

    …grades are offered in this convenient form, which gives major advantages over flat circles. Grade 597 ½: 4-7 µm A medium fast filter paper with medium to fine particle retention. Used for a wide variety of analytical routine applications in different industries like food testing (e.g.,…

  • Whatman Grade 595 ½ Qualitative Filter Papers

    GE Healthcare

    …are offered in this convenient form, which gives major advantages over flat circles. Grade 595 ½: 4-7 µm Very popular, thin filter paper, medium-fast with medium to fine particle retention. Used for many routine analytical applications in different industries (e.g., particle separation from food…

  • Black Filter Papers

    Thomas®

    A deep black, qualitative paper for filtering light colored sediments, etc. Medium speed Retains crystalline precipitates of medium fineness 6 µm pore size

  • Whatman Grade 6 Qualitative Filter Papers

    GE Healthcare

    …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 increased loading capacity compared to equivalent flat filters. Twice as fast as Grade 5 with similar fine

  • Ashless Grade 44 Quantitative Filter Papers

    GE Healthcare

    …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 procedures. Whatman quantitative filters from…

  • Hardened Ashless Grade 542 Quantitative Filter Papers

    GE Healthcare

    …purpose hardened ashless filter paper with 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…

  • Whatman Grade 287 ½ Qualitative Filter Papers

    GE Healthcare

    …of particulate is postponed. Increased total loading capacity as more filter area is available. Maintained flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself. The prepleating does not significantly affect any of the technical…

  • Whatman Grade 2589 d Filter Papers for Technical Use

    GE Healthcare

    A very thick filter with high wet strength. Offers medium to slow flow rate and retains very fine precipitates. A very thick filter with high wet strength. Offers medium to slow flow rate and retains very fine precipitates. These filter papers are made from super-refined cellulose and have been…

  • Quantitative Cellulose Filter Papers

    Thomas®

    Quantitative cellulose filter papers are primarily used in gravimetric analysis procedures and perform separations by entrapping particulate within the random matrix of cellulose fibers within the depth of the media. This media family is also widely used in methods to prepare samples for further…

  • Whatman Grade 802 Qualitative Filter Papers

    GE Healthcare

    A prepleated filter for use with a conical filter funnel, offers fast filtration and high loading capacity for analysis involving coarse particles or gelatinous precipitates. Highest retention among standard filters Slow flow rate Fine-particle retention For qualitative analysis Highest…

  • Whatman Grade 201 Qualitative Filter Papers

    GE Healthcare

    …such as qualitative analysis. Reeve Angel products deliver as promised, every time. The filter is wet-strengthened with a small amount of chemically stable resin to extend the life of the filter and improve handling. Normal qualitative applications will not introduce any significant impurities…

  • Whatman Grade 602 h ½ Qualitative Filter Papers

    GE Healthcare

    paper contact with funnel side and the self-supporting shape of the filter itself.The prepleating does not significantly affect any of the technical data, and the same figures may be used for the flat circles.A dense prepleated filter paper for collecting very small particles and removing fine

  • Qualitative Cellulose Filter Papers

    Thomas®

    filter papers perform separation by entrapping particulate within the random matrix of cellulose fibers within the depth of the media. This media is widely used in methods requiring the determination and identification of particulate in both liquids and gas. Also, this natural fiber filter paper is…

  • Whatman 3-Piece Filter Funnel

    GE Healthcare

    …needs. 3-piece filter funnel The increased use of high-efficiency glass microfiber filters in modern laboratories has created a demand for simple and effective filter-holding systems. Whatman 3-piece filter funnels have been designed to complement the range of Whatman fine particle retention,…

  • Whatman Quantitative Filter Papers, Ashless, Grade 42

    GE Healthcare

    GE’s Whatman Grade 42 quantitative papers have the finest retention of all Whatman ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis. Ashless: 0.007% ash maximum Fine (2.5 µm) nominal particle retention rating, eliminates…

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