These 55 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 %...
Use for quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates or for quantitative air pollution analysis. Whatman™ Quantitative...
These 150 mm diameter slow filtering, green dot folded filter papers are used for quantitative & gravimetric analyses as well as for pressure and vacuum filtration.
They are made out of 100%...
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.