Covers a wide range of laboratory applications and is frequently used for clarifying liquids. Whatman™ Qualitative Filter Paper: Grade 1 Circles are widely used standard grade filter papers for routine applications with medium retention and flow rates.

Covers a wide range of laboratory applications and is frequently used for clarifying liquids. Whatman™ Qualitative Filter Paper: Grade 1 Sheets are widely used standard grade filter paper for routine applications with medium retention and flow rates.

Used for analytical and technical purposes.

Use for routine qualitative analyses and technical applications. Sartorius™ Smooth Filter Paper Discs, Grade 3-HW can be used for pressure and vacuum filtration. Ultra-pure filters are available in filter disc format in a variety of diameters.

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 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.

Captures very fine particulate samples such as insoluble molecules in fats or oils. Whatman™ Grade 589/3 Quantitative Filter Paper Circles provide accurate measurement of ash-free dry mass.

Very fast filtration velocity. Fisherbrand™ Grade 122 Cellulose General Purpose Filter Paper is used for all general works in laboratories.

Filters fine particulates.

Improves performance and longevity of equipment. Whatman™ Grade 92 Glass Microfiber Filter Paper can be used for a wide range of applications.

For analysis of extraneous matter in food beverage and pharmaceutical laboratories

Filters and retains course particles for monitoring air pollution. Whatman™ Qualitative Filter Paper: Grade 4 Circles are used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.

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.

For routine, noncritical laboratory filtration applications such as general chemistry, pharmacology, emulsions, petroleum testing, soaps and detergents

Particularly suited for general laboratory filtrations. Macherey-Nagel™ MN 616 Grade Filter Papers, Folded is a smooth qualitative paper with medium fast filtration speed. The average ash content is about 0.1%, and the amount of α-cellulose is about 95%.

Use for a wide range of general laboratory filtrations. MN 615 Grade Round Format Cellulose Qualitative Filter Paper provides medium fast filtration.

A filter paper used in analytical works in laboratories with medium filtration velocity.

A general purpose filter paper used for all general works in the laboratory for excellent and consistent filtration.

Filters metal particulates.

Used in schools and as bench protective paper. Fisherbrand™ Grade 600 Cellulose General Purpose Filter Paper is economical.

Used in analytical works in laboratories. Fisherbrand™ Grade 601 Cellulose General Purpose Filter Paper has medium filtration velocity.

Very fast filtration velocity. Fisherbrand™ Grade 122 Cellulose General Purpose Filter Paper is used for all general works in laboratories.

Fisherbrand™ Grade 144 Qualitative Phosphate-free Special Filter Paper are used for mineral analysis in soil extracts.

For fast filtering of particulates.

Very fast filtration velocity. Fisherbrand™ Grade 122 Cellulose General Purpose Filter Paper is used for all general works in laboratories.

Used for coarser precipitates such as lead, iron and silver sulphide.

Suitable for removal of fine particles

Used for filtration of fatty products and suitable for hot filtrations.

Used for fine precipitates such as magnesium ammonium phosphate and calcium oxalate.