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    Whatman Quantitative Filter Papers, Grade 40, 11 cm, 100/pk

    Whatman Quantitative Filter Papers, Grade 40, 11 cm, 100/pk

    Original price was: $75.18.Current price is: $18.28.

    SKU: zkdwgahf06016 Category: Tag:

    Description

    Features of the Whatman Quantitative Filter Papers:

  • Suitable for gravity or low-suction filtration.
  • Acid washed: Ash content not exceeding 0.007%.
  • Meet ASTM “ash content per circle” requirements.
  • Manufactured with demineralized water for high purity.
  • Limited wet strength, use care to avoid rupturing.
  • Particle Retention: >8µm.
  • Porosity: Medium.
  • Filtration Speed: AASTM, 75 seconds; Herzberg, 340 seconds.
  • Surface: Smooth.
  • Applications: Widely used, general-purpose gravimetric grade. Medium crystalline precipitates: calcium oxalate, well-digested barium. Normal loading; limited wet strength.

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