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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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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
Filters and retains extremely small particles. Whatman™ Quantitative Filter Paper: Grade 42 Circles are suitable for processes that require ashing.
Pleated to save time and achieve optimal fit in conical filter funnels. Whatman™ Qualitative Filter Paper: Grade 597½ Pleated Circles provide extra surface area to increase total loading capacity.
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.
Enables high retention of fine particles in chemically harsh conditions. Whatman™ Quantitative Filter Papers: Grade 542 Circles are well suited for use in capturing fine precipitates in applications such as metal determinations and hydroxide collection.
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.
Limited wet strength.
Ideal for clarifying and removing particles of 20μm and larger, and in applications that do not require a low-ash or ashless paper.
High wet strength allows use under pressure
Ideal for clarifying and removing particles of 1μm and larger, and in applications that do not require a low-ash or ashless paper
Manufactured to reduce silicon dioxide, calcium oxide and ferric oxide levels
A general purpose filter paper used for all general works in the laboratory for excellent and consistent filtration.
Used for quantitative analysis.
Used for fine precipitates such as magnesium ammonium phosphate and calcium oxalate.
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