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Filter Paper

Filter Paper

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.
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Manufactured to reduce silicon dioxide, calcium oxide and ferric oxide levels
High wet strength allows use under pressure
Ideal for clarifying and removing particles of 20μm and larger, and in applications that do not require a low-ash or ashless paper.
Ideal for clarifying and removing particles of 1μm and larger, and in applications that do not require a low-ash or ashless paper
Offers a high degree of internal surface area for greater adsorption of product
Qualitative filter papers for technical use Manufactured from strengthened cellulose Flat circle format High wet strength High flow rate
A filter paper used in analytical works in laboratories with medium filtration velocity.
Used in analytical works in laboratories. Fisherbrand™ Grade 601 Cellulose General Purpose Filter Paper has medium filtration velocity.
Used for quantitative analysis.
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.
Used for fine precipitates such as magnesium ammonium phosphate and calcium oxalate.
A general purpose filter paper used for all general works in the laboratory for excellent and consistent filtration.
Dissolves residue-free in acid solution, which is critical in applications such as Kjeldahl analysis of nitrogen in soil. Whatman Kjeldahl Analysis Weighing Paper, Grade B-2 is thin, lightweight, and low in nitrogen for accurate chemical analysis.
Retains and absorbs more than Grade 1 filters, with a corresponding increase in filtration time. Whatman™ Qualitative Filter Paper: Grade 2 Sheets are used for monitoring specific contaminants in the atmosphere and in soil testing.
Filters and retains extremely small particles. Whatman™ Quantitative Filter Paper: Grade 42 Circles are suitable for processes that require ashing.
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