Filter paper is used for purification of samples, and is designed for use in analytical and preparative applications. These products are available in a range of sizes, counts, and thicknesses.
Obtain high-quality filtration. Munktell Filtrak™ Qualitative Ashless Papers contain nearly 100% high alpha-cellulose are manufactured under tightly controlled manufacturing conditions to assure lot to lot quality.
Strengthened with chemically stable resin additive. Whatman™ Grade 113 Wet-Strengthened Qualitative Filter Paper Circles boast the fastest flow rate of the qualitative grades. Creped surface promotes ultra high loading capacity.
Thermo Scientific™ Pierce Western Blotting Filter Papers are pre-cut cotton sheets for wet or semi-dry, passive or electrophoretic transfer of proteins from polyacrylamide gels (SDS-PAGE) to PVDF, nitrocellulose, or other membranes.
Designed for fast filtration of coarse precipitate. Whatman™ Grade 589/1 Quantitatve FIlter Paper Circles support tests such as cement fineness measurement in a standard Blaine test or determination of the ash content in foodstuffs.
Retains the fine precipitates encountered in chemical analysis. Whatman™ Qualitative Filter Paper - Grade 5 Circles are excellent clarifying filters for cloudy suspensions and for water and soil analysis.