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    Grade 540 Ashless General Lab Filter Paper, 55mm Circles (100 pcs)

    Thumbnail Filmstrip of Grade 540 Ashless General Lab Filter Paper, 55mm Circles (100 pcs) Images

      Purchase Grade 540 Ashless General Lab Filter Paper, 55mm Circles (100 pcs)

      Whatman
      Grade 540 Ashless General Lab Filter Paper, 55mm Circles (100 pcs) SKU: 1540-055

      $32.86
      Ships in 4 business days
       
      These are the supreme quantitative Filter papers featuring high wet strength and chemical resistance. These papers are acid-hardened, which reduces ash to an extremely low level. The tough surfaces pf these Filters make them suitable for a wide range of critical analytical filtration operations. Each grade offers a convenient combination of filtration speed and particle retention.

      The general purpose hardened ashless Filter paper with medium retention and flow rate. Extremely pure and strong with a hard surface. High chemical resistance to strong acid and alkali. Frequently used in the gravimetric analysis of metals in acid/alkali solutions and in collecting hydroxides after precipitation by strong alkalis.

      Features:
      • Hardened ashless: .6% 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.
      Diameter
      55mm
      Grade
      540
      Material
      Cotton
      Pore Size (µm)
      8
      Sterility
      Nonsterile
      Wetability
      Hydrophilic