Proud Distributors of GUNT Hamburg, UTEST, FOUR E’s Scientific & LABTECH ITALY

Whatman Filter Paper – Grade 540 Circles (Whatmans Grade 540)

Whatman Filter Paper – Grade 540 Circles (Whatmans Grade 540)

SKU WHATMANS GARDE 540 Categories ,

These are the supreme quantitative filter papers featuring high wet strength and chemical resistance.


Code Whatmans Grade 540
  • These papers are acid hardened, which reduces ash to an extremely low level.
  • Their tough surfaces make them suitable for a wide range of critical analytical filtration operations.
  • Each grade offers a convenient combination of filtration speed and particle retention.

Grade 113 (30 µm):

  • The general-purpose hardened ash-less 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.

Available in the following Sizes:

  • 70mm (100 P/Box)
  • 90mm (100 P/Box)
  • 110mm (100 P/Box)
  • 125mm (100 P/Box)
  • 150mm (100 P/Box)
  • 185mm (100 P/Box)
  • 320mm (100 P/Box)

Due to the continuous development of our products, the goods supplied may vary in detail to that illustrated on this Website.