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...
These 110 mm diameter very slow filtering, purple dot filter paper discs are used for quantitative & gravimetric analyses as well as for pressure or vacuum filtration.
They are made out of 100 %...
These 110 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 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 3 filter paper is double the thickness of Grade 1 with still finer particle retention and excellent loading capacity; more precipitate can be held without clogging.
The extra thickness...
Whatman Grade 2 filter paper is slightly more retentive and absorbent than Grade 1 with a corresponding increase in filtration time (i.e. slightly slower filtration speed). In addition to general...