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Filter Papers

Made of pure cellulose treated with hydrochloric and hydrofluoric acid, filter paper is quantitative paper used for straining with fast flow rates and good retention. It creates a semi-permeable barrier perpendicular to a liquid or airflow in order to separate fine substances from liquids or air. Different grades of filter paper are available for performing routine laboratory work, ranging from coarse to fine filtration of particulates.

Grade 0860 ½ qualitative filter papers, Whatman™

Grade 0860 ½ qualitative filter papers, Whatman™

Supplier: Whatman products (Cytiva)

Comparable to Grade 0858 but with a smooth surface, slightly thinner and faster.

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Qualitative filter papers, grade 598, Whatman™

Qualitative filter papers, grade 598, Whatman™

Supplier: Whatman products (Cytiva)

A thick filter paper with high loading capacity. Combines medium retention with medium-fast to fast filtration speed.

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Grade 2589 D filter papers for technical use, Whatman™

Grade 2589 D filter papers for technical use, Whatman™

Supplier: Whatman products (Cytiva)

A very thick filter with high wet strength. Offers medium to slow flow rate and retains very fine precipitates.

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Qualitative filter papers, standard grades, grade 6, Whatman™

Qualitative filter papers, standard grades, grade 6, Whatman™

Supplier: Whatman products (Cytiva)

A standard grade filter for boiler water analysis.

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Grade 8 ruled filter papers, Whatman™

Grade 8 ruled filter papers, Whatman™

Supplier: Whatman products (Cytiva)

These white cotton linter cellulose filters are ideal for routine investigations of foreign substances in a variety of sample types.

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Qualitative filter papers, Grade 598 ½, Whatman™

Qualitative filter papers, Grade 598 ½, Whatman™

Supplier: Whatman products (Cytiva)

A thick prepleated filter paper with high loading capacity. Combines medium retention with medium-fast to quick filtration speed.

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Grade 3 qualitative filter papers, Whatman™

Grade 3 qualitative filter papers, Whatman™

Supplier: Whatman products (Cytiva)

A standard grade filter used in qualitative analytical techniques to determine and identify materials. For use in büchner funnels.

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Grade 2294 filter papers for technical use, Whatman™

Grade 2294 filter papers for technical use, Whatman™

Supplier: Whatman products (Cytiva)

A very thick filter card with high wet strength. Offers very high flow rate and retains medium to coarse particles.

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Quantitative filter papers, pyramid folded, Whatman™

Quantitative filter papers, pyramid folded, Whatman™

Supplier: Whatman products (Cytiva)

Easily fits into conical funnels.

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Qualitative filter papers, grade 230, Whatman™

Qualitative filter papers, grade 230, Whatman™

Supplier: Whatman products (Cytiva)

A general qualitative filter with creped surface. Widely used in industrial laboratories and students laboratories for routine filtration.

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Qualitative filter papers, wet-strengthened

Qualitative filter papers, wet-strengthened

Supplier: Sartorius

These qualitative filter papers are essentially used for analytical purposes and routine analyses, whenever no gravimetric analyses are required. They are wet-strengthened and can be used for pressure and vacuum filtration. They are made of refined pulp and linters with an >95% alpha-cellulose content, are very pure with an ash content <0,1%.

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Quantitative filter papers, hardened low ash grades, grade 52, Whatman™

Quantitative filter papers, hardened low ash grades, grade 52, Whatman™

Supplier: Whatman products (Cytiva)

Cytiva's Whatman Grade 52 is a general-purpose filter paper for quantitative analysis in Büchner funnel and other vacuum filtrations. The acid-hardened surface and low ash content enable efficient precipitate recovery.

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Qualitative filter papers, wet strengthened grades, grade 91, Whatman™

Qualitative filter papers, wet strengthened grades, grade 91, Whatman™

Supplier: Whatman products (Cytiva)

A general purpose creped cellulose filter for less critical routine analysis. Widely used to assay sucrose in cane sugar and within pharmaceutical laboratories for routine filtration.

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Qualitative filter papers, Grade 226, Whatman™

Qualitative filter papers, Grade 226, Whatman™

Supplier: Whatman products (Cytiva)

A general qualitative filter with creped surface. Widely used in industrial or student laboratories for routine filtration.

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Application specific filter papers, grade 3459, Whatman™

Application specific filter papers, grade 3459, Whatman™

Supplier: Whatman products (Cytiva)

Creped cellulose filter papers with good retentivity at a relatively high filtration speed. They are used for the clarifying filtration of dried beet pulp extracts or beet juice after the addition of lead acetate for subsequent polarimetric sugar determination. They are specifically designed for the Venema unit (lead acetate method).

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Quantitative filter papers, hardened low ash grades, grade 54, Whatman™

Quantitative filter papers, hardened low ash grades, grade 54, Whatman™

Supplier: Whatman products (Cytiva)

Whatman Grade 54 hardened low ash quantitative filter paper for Büchner funnel and Hirsch funnel filtration enables fast vacuum suction filtration for recrystallization applications.

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Grade 520 a filter papers for technical use, Whatman™

Grade 520 a filter papers for technical use, Whatman™

Supplier: Whatman products (Cytiva)

A thin paper with great wet strength and a very high flow rate. Frequently used in technical applications such as the filtration of viscous liquids and emulsions (e.g., sweetened juices, spirits and syrups, resin solutions, oils, or plant extracts).

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Quantitative filter papers, ashless grades, grade 589/2 and 589/2 ½, Whatman™

Quantitative filter papers, ashless grades, grade 589/2 and 589/2 ½, Whatman™

Supplier: Whatman products (Cytiva)

Whatman Grade 589/2 filters from Cytiva are used in routine quantitative analyses, including analysis of aqueous suspension in paper, flour analysis, and sand content quantification.

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Grade 520 a ½ qualitative filter papers, Whatman™

Grade 520 a ½ qualitative filter papers, Whatman™

Supplier: Whatman products (Cytiva)

A thin paper with great wet strength and a very high flow rate. Frequently used in technical applications such as the filtration of viscous liquids and emulsions (e.g., sweetened juices, spirits and syrups, resin solutions, oils, or plant extracts).

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Application specific filter papers, grade 287 ½, Whatman™

Application specific filter papers, grade 287 ½, Whatman™

Supplier: Whatman products (Cytiva)

Kieselguhr paper with a medium to slow flow rate. Additional adsorption effect, e.g., for the separation of very fine semi-colloidal turbidity, for clarifying milk serum, starch solutions, soil suspensions or sugar-containing solutions prior to polarimetry or refractometry.

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Whatman™ Grade 5V Qualitative Filter Papers, Fluted

Whatman™ Grade 5V Qualitative Filter Papers, Fluted

Supplier: Whatman products (Cytiva)

Whatman Grade 5V fine particle filter retains particles as small as 2,5 µm for qualitative analysis

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Grade 0858 seed test paper, Whatman™

Grade 0858 seed test paper, Whatman™

Supplier: Whatman products (Cytiva)

Grained, with medium fast flow rate and medium retention. A universal filter paper, used for the filtration of extracts, oils, beer, syrups etc.; also applied in filter presses or for the aspiration of liquids.

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Phase separating paper, grade 1PS

Phase separating paper, grade 1PS

Supplier: Whatman products (Cytiva)

1PS phase-separating paper is a hydrophobic filter for routine solvent extraction. Within seconds it retains aqueous phases, while solvent phases flow through.

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Qualitative filter papers, grade 802, Whatman™

Qualitative filter papers, grade 802, Whatman™

Supplier: Whatman products (Cytiva)

A prepleated filter for use with a conical filter funnel, offers fast filtration and high loading capacity for analysis involving coarse particles or gelatinous precipitates.

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Grade 520 bII filter papers for technical use, Whatman™

Grade 520 bII filter papers for technical use, Whatman™

Supplier: Whatman products (Cytiva)

A thick paper with high wet strength offering a very high flow rate.

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Qualitative filter papers, standard grades, grade 597 Optima, Whatman™

Qualitative filter papers, standard grades, grade 597 Optima, Whatman™

Supplier: Whatman products (Cytiva)

Standard Whatman grade filter paper for a variety of routine applications in food and beverage industries. Well-suited for determination of fat content in food or removal of carbon dioxide and turbidity from beverages such as beer.

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Grade 113 qualitative filter papers, Whatman™

Grade 113 qualitative filter papers, Whatman™

Supplier: Whatman products (Cytiva)

Ultra high loading capacity with a particle retention well suited for use with coarse or gelatinous precipitates.

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Ashless filter aids, Whatman™

Ashless filter aids, Whatman™

Supplier: Whatman products (Cytiva)

Ashless filter aids enhance filtration speed by coagulating precipitates or suspensions to form a thick retentive ‘prefilter’ layer on top of normal filter paper.

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Quantitative filter papers, hardened ashless grades, grade 542, Whatman™

Quantitative filter papers, hardened ashless grades, grade 542, Whatman™

Supplier: Whatman products (Cytiva)

Cytiva's Whatman Grade 542 filters are acid hardened to allow high retention of fine precipitates in applications such as metal determinations and hydroxide collection.

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Grade 595 ½ qualitative filter papers, Whatman™

Grade 595 ½ qualitative filter papers, Whatman™

Supplier: Whatman products (Cytiva)

A prepleated filter used for many routine analytical applications in different industries (e.g., particle separation from food extracts or filtration of solids from digested environmental samples, e.g., for ICP/AAS analysis).

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