FILTER PAPER

Reeve Angel filter papers are manufactured primarily for non-critical industrial laboratory filtration applications requiring inexpensive filters of consistent performance. Note: These papers should not be used for kjeldahl nitrogen analysis.Grade 202...

Reeve Angel filter papers are manufactured primarily for non-critical industrial laboratory filtration applications requiring inexpensive filters of consistent performance. Note: These papers should not be used for kjeldahl nitrogen analysis.Grade 226 is...

Reeve Angel filter papers are manufactured primarily for non-critical industrial laboratory filtration applications requiring inexpensive filters of consistent performance. Note: These papers should not be used for kjeldahl nitrogen analysis.Grade 230 is...

• Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses. • Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due...

These filter papers are made from super-refined cellulose and have been specifically designed to have particular properties for each technical application. The applications range from the filtration of beverages to the purification of electroplating...

These filter papers are made from super-refined cellulose and have been specifically designed to have particular properties for each technical application. The applications range from the filtration of beverages to the purification of electroplating...

These filter papers are made from super-refined cellulose and have been specifically designed to have particular properties for each technical application. The applications range from the filtration of beverages to the purification of electroplating...

• Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses. • Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due...

Creped or smooth filter papers, Grade 3459, have good retentivity at a relatively high filtration speed. They are used for the clarifying filtration of: • Dried beet pulp extracts• Beet juice after the addition of lead acetate for subsequent...

Whatman offers a line of cellulose filter papers for specific applications. The product line includes filter papers for use in soil analysis and filter papers for the sugar industry.Grade 512 1/2Low phosphate papers, approximately 1.5 ppm phosphate, for...

These filter papers are made from super-refined cellulose and have been specifically designed to have particular properties for each technical application. The applications range from the filtration of beverages to the purification of electroplating...

These filter papers are made from super-refined cellulose and have been specifically designed to have particular properties for each technical application. The applications range from the filtration of beverages to the purification of electroplating...

Grade 520 BII 1/2 thick, pleated filter paper with high wet strength offering a very high flow rate.Image(s) are representative of the product group and not necessarily the individual product.

• Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses. • Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due...

Absorbent paper strips for the removal of excess liquids, e.g., from microscope specimens.Image(s) are representative of the product group and not necessarily the individual product.

• Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses. • Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due...

These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters...

• Increased filter surface area increases total loading capacity and decreases overall filtration time. • Reduced contact between filter and funnel maintains flow rate. • Eliminated need to quadrant-fold filter circles to fit conical...

These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters...

• The prepleating does not significantly affect any of the technical data, and the same figures may be used for the flat circles.• Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple...

Grade 597 qualitative filter paper circlesThese cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading...

These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters...

• Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses. • Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due...

• Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses. • Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due...

These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters...

• Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses. • Decreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due...

Grade 602EH 1/2 Qualitative Filter Papers for very fine precipitates.• Maintains flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself. • Decreased overall filtration time...

Whatman Cellulose filter papers for specific applications. Grade 72 application specific filter circles.Composite cellulose/glass filter loaded with activated carbon. Used to absorb radioactive iodine in air pollution monitoring and in nuclear...

Grade 8 Ruled Special-Purpose; White filter paper with printed green lines for optical assessment. For routine investigations of foreign substances in a variety of sample types. • Porosity: Coarse• Diameter: 70 or 45 mm• Flow Rate:...

Grade 93: 10 µmThis filter paper is intermediate in speed and retention between Grades 1 and 4. Available in a dispenser pack, which can be attached to the wall or bench, placed on a shelf either upright or flat, and used as a normal carton or as a...

These filter papers are made from super-refined cellulose and have been specifically designed to have particular properties for each technical application. The applications range from the filtration of beverages to the purification of electroplating...

Grade 50: 2.7 µmUse in the retention of the finest crystalline precipitates. The thinnest of all Whatman filter papers. Slow flow rate. This finish also keeps the paper free from loose surface fibers. Highly suitable for qualitative or quantitative...

Grade 52: 7 µmGeneral purpose hardened filter paper with medium retention and flow rate. Very hard surface.Image(s) are representative of the product group and not necessarily the individual product.Circles, Grade 52

Grade 54: 20 - 25 µmVery fast filtration for use with coarse and gelatinous precipitates. High wet strength makes this grade suitable for vacuum-assisted fast filtration of difficult coarse or gelatinous precipitates.Image(s) are representative of...

Grade 1: 11 µmMedium retention and flow rate. This grade covers a wide range of laboratory applications and is frequently used for clarifying liquids. Traditionally the grade is used in qualitative analytical separations for precipitates such as...

Grade 2: 8 µmSlightly more retentive than Grade 1 with a corresponding increase in filtration time (i.e., slightly slower filtration speed). More absorbent than Grade 1. In addition to general filtration in the 8 µm particle size range, the...

Grade 3: 6 µm: Double the thickness of Grade 1 with still finer particle retention and excellent loading capacity; more precipitate can be held without clogging. The extra thickness gives increased wet strength and makes this grade highly suitable...

Grade 4: 20 - 25 µmExtremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide. Very useful as a rapid filter for routine cleanup of biological fluids or organic...

Grade 5: 2.5 µmThe maximum degree of fine particle filtration in the qualitative range. Capable of retaining the fine precipitates encountered in chemical analysis. Slow flow rate. Excellent clarifying filter for cloudy suspensions and for water and...

Grade 595 1/2: 4-7 µmVery popular, thin filter paper, medium-fast with medium to fine particle retention. Used for many routine analytical applications in different industries (e.g., particle separation from food extracts or filtration of solids...