For fast filtration of fine precipitates such as calcium oxalate, magnesium ammonium phosphate, coarser forms of barium sulfate.

For coarse and voluminous precipitates such as iron- aluminum- and chromium hydroxide; Si-determination in steel and pig iron analysis.

For general laboratory filtration, clarification of buffer and reagent solutions.

Prepare laboratory sheets for pulp testing. Munktell Filtrak™ Munktell Grade 1600 Filter Paper is often used when preparing laboratory sheets of most forms of pulp for physical testing in accordance with ISO Test Method, 5269-1.

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

Grade 1600 Test Paper is often used when preparing laboratory sheets of most forms of pulp for physical testing in accordance with ISO Test Method 5269-1: 2005, Part 1.

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

For physical testing in accordance with ISO Test Method 5269-1: 2005, Part 1

Suited for general filtration applications, including coarse-crystalline qualitative analysis. Macherey-Nagel™ MN 617 Grade Filter Papers, Round are smooth, soft filter papers with fast filtration speed. The average ash content is about 0.1%, the amount of α-cellulose is about 95%.

For coarse and voluminous precipitates such as iron-aluminum- and chromium hydroxide; Si-determination in steel and pig iron analysis.

Recommended for use where a high purity is required for quantitative analysis.

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.

Reduces overall ash content and the amount of time required for filtration. Whatman™ Grade 44 Quantitative Filter Paper provides faster gravimetric analysis with filter thinner material.

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 an organic binder to provide high mechanical stability. Whatman™ Glass Microfiber Filters with Binder, Grade GF 10 can be used for various applications from fine and coarse particle analysis to prefilter membranes for crop protection residues.

Suitable for nitrate determination in foodstuffs. Whatman™ Grade 597L Qualitative Filter Paper is a cellulose filter paper with low fat content.

Retains and absorbs more than Grade 1 filters, with a corresponding increase in filtration time. Whatman™ Qualitative Filter Paper: Grade 2 Circles are used for monitoring specific contaminants in the atmosphere and in soil testing.

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.

Supports collection of coarse and gelatinous precipitates with minimal fiber shredding, even when wet. Whatman™ Grade 54 Quantitative Filter Paper has a hard, smooth surface to sustain vacuum and suction filtration.

Enables strong retention for very fine crystalline precipitates. Whatman™ Quantitative Filter Paper: Grade 50 White Smear Tab Sheets withstand shredding, wet handling, and precipitate removal by scraping.

Achieve optimum filtration. Munktell Filtrak™ Micro-Glass Fibers used in Munktell filters are made of 100% borosilicate glass of varying diameters fine-tuned to the particle retention and flow requirements of the grades.

Recommended when fast filtration of a gelatinous precipitate for gravimetric analysis is performed on a strongly acidic or alkali solution. Whatman™ Quantitative Filter Paper: Grade 541 Circles  are acid hardened cellulose filters, which reduces ash to an extremely low level.

Slow filter paper with high wet strength

Absorbent paper strips for removal of excess liquids

These qualitative filter papers are suited for the medium-fast filtration of coarser precipitates such as lead-, iron- and silver sulfide, alkali carbonates and calcium oxalate.

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.

Well-suited for analytical and technical purposes. Sartorius™ Grade 1602/N Creped Surface Qualitative Filter Papers has a fast flow rate due to its structure.

Whatman™ Grade 515 ½ Soil Analysis Filter Paper, Folder are pre-pleated low phosphate papers for the filtration of calcium lactate extracts from soil samples for the determination of phosphorus and potassium.

Manufactured under strictly controlled conditions. Whatman™ Cellulose Nitrate Membrane Filters have a noticeably improved flexibility and are made to tolerate abuse during handling, loading, and autoclaving without sacrificing integrity.

Used for analytical purposes and routine analyses, whenever no gravimetric analyses are required.