Whatman Ashless Filter Paper

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Whatman Ashless Filter Paper
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  • Whatman Quantitative Filter Papers, Ashless, Grade 40

    GE Healthcare

    …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 needs. See our other ashless grades to find the right filter for your sample,…

  • Whatman Quantitative Filter Papers, Ashless, Grade 42

    GE Healthcare

    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. Also see hardened ashless

  • Whatman Quantitative Filter Papers, Ashless, Grade 41

    GE Healthcare

    …analysisGE’s Whatman 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…

  • Whatman Quantitative Filter Papers, Ashless, Grade 589/2

    GE Healthcare

    …column 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…

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

    GE Healthcare

    Whatman Grade 589/3 ashless filter paper from GE is particularly useful in capturing very fine particulate samples such as insoluble molecules in fats or oils or supporting ash free dry mass. High purity ( ‘Blue ribbon filter’ Very fine precipitate retention (class 2d acc. to DIN 53 135) …

  • 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.

  • 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 Papers, Ashless, Grade 43

    GE Healthcare

    …between that of Grades 40 and 41GE’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. GE offers other ashless grades to ensure that you have the…

  • Whatman Quantitative Filter Papers, Hardened Ashless, Grade 541

    GE Healthcare

    …0.006% ash 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…

  • Whatman Quantitative Filter Papers, Hardened Ashless, Grade 540

    GE Healthcare

    Whatman Grade 540 is a high-purity, acid-treated cellulose lab filter paper. Mechanically strong Grade 540 is well suited for quantitative or gravimetric analysis of strongly acidic or alkaline samples. GE Healthcare’s Life Sciences business offers hardened ashless filter paper for a…

  • Whatman Quantitative Filter Papers, Hardened Ashless, Grade 542

    GE Healthcare

    …(0.006% ash maximum)GE’s Whatman Grade 542 filters are acid hardened to allow high retention of fine precipitates in applications such as metal determinations and hydroxide collection. Along with Grade 542 cellulose filter paper, the Whatman range of hardened quantitative papers from GE Healthcare’s…

  • Ashless Grade 42 Quantitative Filter Papers

    GE Healthcare

    …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 procedures. Whatman quantitative filters from GE Healthcare are…

  • Ashless Grade 41 Quantitative Filter Papers

    GE Healthcare

    Whatman quantitative filters from GE Healthcare are designed for gravimetric analysis and the preparation of samples for instrumental analysis. They are available in three formats designed to meet specific needs. Grade 41 : 20 µm This fastest ashless filter paper is also…

  • Ashless Filter Aids

    GE Healthcare

    Ashless clippings Ashless clippings Whatman ashless filter aids enhance filtration speed by coagulating precipitates or suspensions to form a thick retentive “prefilter” layer on top of normal filter paper. Easily dispersible, the powder is of a purity similar to that of Whatman ashless

  • Ashless Grade 43 Quantitative Filter Papers

    GE Healthcare

    …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 designed for gravimetric analysis…

  • Ashless Grade 44 Quantitative Filter Papers

    GE Healthcare

    …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 GE Healthcare are designed for gravimetric analysis…

  • Hardened Ashless Grade 541 Quantitative Filter Papers

    GE Healthcare

    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 of critical filtration procedures. These are the supreme quantitative filter papers

  • Hardened Low Ash Grade 50 Quantitative Filter Papers

    GE Healthcare

    …are 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…

  • 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

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