These 125 mm diameter qualitative filter paper discs are ideal for analytical purposes and routine analyses. They are wet-strengthened for use in pressure or vacuum filtration.
A standard grade filter used in qualitative analytical techniques to determine and identify materials.
Double the thickness of Grade 1 with still finer particle retention and excellent loading...
Whatman® Grade 4 filter paper is extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide. Very useful as a...
These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and...