Whatman Filter Paper - Grade 540 Circles
 
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. 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 540 (8 µm) 
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.

 

Available In The Following Sizes
   
Diameter P/Box
   
70 mm 100
90 mm 100
110 mm 100
125 mm 100
150 mm 100
185 mm 100
320 mm 100

 

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