Quantitative Filter Paper

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Quantitative Filter Paper
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  • 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…

  • 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…

  • Hardened Low Ash Grade 50 Quantitative Filter Papers

    GE Healthcare

    …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 for qualitative or quantitative

  • Whatman Quantitative Filter Papers, Ashless, Grade 40

    GE Healthcare

    …Grade 40 high-purity filters from GE Healthcare’s Life Sciences business are general-purpose papers for quantitative analysis. Grade 40 filters are suitable for a variety of analytical filtration applications. GE offers a range of Whatman ashless filter paper for your gravimetric analysis…

  • Hardened Ashless Grade 541 Quantitative Filter Papers

    GE Healthcare

    …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 of critical filtration procedures. These are the supreme quantitative filter papers featuring high wet…

  • Quantitative filter paper

    Sartorius

    Quantitative filter papers: Ashless quantitative filter papers are made of refined pulp and cotton linters with over 95% alpha-cellulose content. These filter papers are guaranteed to be free of any residual acids and have an ash content of

  • 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…

  • Ashless Grade 41 Quantitative Filter Papers

    GE Healthcare

    …This fastest ashless filter paper is also used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates. This filter is also available in a disposable filter funnel. This is a convenient, disposable 47 mm filter funnel with a 250…

  • Whatman Quantitative Filter Papers, Ashless, Grade 42

    GE Healthcare

    …carbonate filterGE’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. Whatman quantitative papers come in a variety of particle retentions.…

  • Whatman Quantitative Filter Papers, Ashless, Grade 41

    GE Healthcare

    …Grade 41 environmental pollution papers are among the fastest filter papers in the Whatman ashless range. This gravimetric filter is well suited for quantitative analysis of soil and air. Aside from Grade 41 environmental pollution papers, Whatman quantitative paper comes in a variety of particle…

  • 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…

  • Ashless Grade 43 Quantitative Filter Papers

    GE Healthcare

    …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 designed for gravimetric analysis and the preparation of samples for…

  • Ashless Grade 44 Quantitative Filter Papers

    GE Healthcare

    …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 GE Healthcare are designed for gravimetric analysis and the preparation of samples for…

  • 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 Quantitative Filter Papers, Ashless, Grade 589/2

    GE Healthcare

    … Whatman quantitative filters from GE Healthcare’s Life Sciences business are designed for gravimetric analysis. Grade 589/2 Whatman ashless filter paper can also be purchased as pre-pleated 589/2 ½ sheets. General filtration with quantitative papers Grade 589/2 ashless filter paper can be used…

  • Quantitative Filter Papers, Ahlstrom 54 (Ashless)

    Ahlstrom

    filter papers designed for use in analytical and gravimetric analysis. The quantitative grades are manufactured from top quality cotton linters using ultra-pure, reverse-osmosis water and are further treated with dilute acid to remove any remaining organic and inorganic impurities. All quantitative

  • Quantitative Filter Papers, Ahlstrom 74 (Ashless)

    Ahlstrom

    …purity from filter to filter. Quantitative analysis Low ash content 0.007% (Acid-wash treated) High wet-strength Consistent performance Custom cut Bulk packaging Ashless Grades (Ash 0.007%) These standard ashless grades are high purity filter papers suitable for…

  • Quantitative Filter Papers, Ahlstrom 94 (Ashless)

    Ahlstrom

    …purity from filter to filter. Quantitative analysis Low ash content 0.007% (Acid-wash treated) High wet-strength Consistent performance Custom cut Bulk packaging Ashless Grades (Ash 0.007%) These standard ashless grades are high purity filter papers suitable for…

  • Whatman Quantitative Filter Papers, Ashless, Grade 589/3

    GE Healthcare

    …a filter area of 10 cm² at a constant pressure of 5 cm water column Ash free dry mass Grade 589/3 filter paper from GE Healthcare’s Life Sciences business supports accurate measurement of ash free dry mass. The blue ribbon filter is an established component in a variety of quantitative analysis…

  • Whatman Quantitative Filter Papers, Ashless, Grade 44

    GE Healthcare

    …analysis can be time-consuming when filtration of fine particles is required. Because of its reduced thickness, Grade 44 ashless filter paper from GE provides faster filtration of fine particles when compared with thicker papers of similar retention rating, such as Whatman Grade 42 paper.

  • Quantitative Filter Papers, Ahlstrom 95 (Ashless)

    Ahlstrom

    filter papers designed for use in analytical and gravimetric analysis. The quantitative grades are manufactured from top quality cotton linters using ultra-pure, reverse-osmosis water and are further treated with dilute acid to remove any remaining organic and inorganic impurities. All quantitative

  • Quantitative Filter Papers, Ahlstrom 75 (Ashless)

    Ahlstrom

    Ahlstrom manufactures a series of extremely high purity, acid washed filter papers designed for use in analytical and gravimetric analysis. The quantitative grades are manufactured from top quality cotton linters using ultra-pure, reverse-osmosis water and are further treated with dilute acid to…

  • Whatman Quantitative Filter Papers, Ashless, Grade 589/1

    GE Healthcare

    …of 50 s*Black ribbon filter’ for fast filtration of coarse precipitatesHigh purity ( *The time taken to filter 100 ml water (20°C) through a filter area of 10 cm² at a constant pressure of 5 cm water column Blaine test filter paper Whatman Grade 589/1 filter papers from GE Healthcare’s Life…

  • Whatman Quantitative Filter Paper, Hardened Low Ash, Grade 50

    GE Healthcare

    …a thin filter paper with a slow flow rate and excellent wet strength can maintain sample quality and purity. Because Grade 50 thin filter papers are hardened to minimize fiber shredding, they are a good choice for use as carriers in integrated circuits. Grade 50 thin filter paper from GE…

  • Quantitative Filter Papers, Ahlstrom 55 (Ashless)

    Ahlstrom

    filter papers designed for use in analytical and gravimetric analysis. The quantitative grades are manufactured from top quality cotton linters using ultra-pure, reverse-osmosis water and are further treated with dilute acid to remove any remaining organic and inorganic impurities. All quantitative

  • Whatman Quantitative Filter Papers, Hardened Ashless, Grade 541

    GE Healthcare

    …concentrationGE’s Whatman Grade 541 acid hardened cellulose filter paper features high wet-strength, high chemical resistance, and a large nominal particle retention for fast analytical filtration. Along with fast Grade 541 filter paper, the hardened, ashless range from GE Healthcare’s Life Sciences…

  • Whatman Quantitative Filter Papers, Ashless, Grade 43

    GE Healthcare

    GE’s Whatman Grade 43 filters support inorganic analysis and other forms of instrumental analyses. The low ash content also makes Grade 43 appropriate for gravimetric analyses requiring sample combustion. Very low ash content (0.007% ash concentration maximum) Intermediate particle retention…

  • Hardened Low Ash Grade 54 Quantitative Filter Papers

    GE Healthcare

    …for Büchner filtrations where it is desirable to recover the precipitate from the filter surface after filtration. Other characteristics include high wet strength and chemical resistance, which are similar to those of the acid-hardened ashless filter papers. Grade 54: 22 µm

  • Hardened Low Ash Grade 52 Quantitative Filter Papers

    GE Healthcare

    The general purpose hardened filter paper with very hard surface as well as medium retention and 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…

  • Whatman Quantitative Filter Papers, Hardened Low Ash, Grade 52

    GE Healthcare

    …general-purpose filter paper for quantitative analysis in Büchner funnel and other vacuum filtrations. The acid-hardened surface and low ash content enable efficient precipitate recovery. GE Healthcare’s Life Sciences business offers three grades of hardened low ash filter paper. All three are…

  • Whatman Quantitative Filter Papers, Hardened Ashless, Grade 542

    GE Healthcare

    filter paper, the Whatman range of hardened quantitative papers from GE Healthcare’s Life Sciences business includes fast Grade 541 and general-purpose Grade 540 filters. All three grades are designed for use in quantitative analysis with strong acid/alkali solutions. Slow flow rate filters for…

  • Whatman Quantitative Filter Papers, Hardened Low Ash, Grade 54

    GE Healthcare

    …Grade 54 filter paper has high wet strength and a larger nominal particle retention rating than comparable Büchner filtration papers, enabling fast vacuum filtration of coarse precipitates. GE Healthcare’s Life Sciences business offers three grades of low ash hardened filter paper for quantitative

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