These 150 mm diameter fast filtering, black dot filter paper discs are used for quantitative and gravimetric analyses as well as for pressure or vacuum filtration.
They are made out of 100 % cotton...
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...
These qualitative filter papers are essentially used for analytical purposes and routine analyses, whenever no gravimetric analyses are required.
They are wet-strengthened and can be used for...
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...