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163 results for Filter Papers

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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.

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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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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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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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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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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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Qualitative filter papers, grade 595, Whatman™

Qualitative filter papers, grade 595, Whatman™

Supplier: Whatman products (Cytiva)

A standard grade 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 for iCP/AAs analysis).

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Grade 0965 filter papers for technical use, Whatman™

Grade 0965 filter papers for technical use, Whatman™

Supplier: Whatman products (Cytiva)

Coarse filter mat with high wet strength.

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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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Qualitative filter papers, standard grades, grade 591, Whatman™

Qualitative filter papers, standard grades, grade 591, Whatman™

Supplier: Whatman products (Cytiva)

These cellulose filters are used in qualitative analytical techniques to determine and identify materials.

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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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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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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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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 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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Grade 2589 C filter papers for technical use, Whatman™

Grade 2589 C filter papers for technical use, Whatman™

Supplier: Whatman products (Cytiva)

Thick filter with medium to slow filtration speed, high wet strength, and good retention for smaller particles.

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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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Qualitative filter papers, grade 202, Whatman™

Qualitative filter papers, grade 202, Whatman™

Supplier: Whatman products (Cytiva)

A general qualitative filter with creped surface. Faster than grade 201 and retains large crystalline coarse particles. Widely used in industrial laboratories and students laboratories for routine filtration.

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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, standard grades, grade 597 and 597¹/₂, Whatman™

Qualitative filter papers, standard grades, grade 597 and 597¹/₂, Whatman™

Supplier: Whatman products (Cytiva)

Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses.

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Quantitative filter papers, ashless grades, grade 44, Whatman™

Quantitative filter papers, ashless grades, grade 44, Whatman™

Supplier: Whatman products (Cytiva)

Cytiva's Whatman Grade 44 quantitative paper is a thin version of Grade 42 ashless paper. The thinness reduces the overall ash content, making Grade 44 well suited for analyses relying on ash-free dry weight.

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Quantitative filter papers, ashless grades, grade 43, Whatman™

Quantitative filter papers, ashless grades, grade 43, Whatman™

Supplier: Whatman products (Cytiva)

Cytiva's Whatman Grade 43 filters support inorganic analysis and other forms of instrumental analyses. The low ash content also makes Grade 43 appropriate for gravimetric analyses requiring sample combustion.

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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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Grade 0905 filter papers for technical use, Whatman™

Grade 0905 filter papers for technical use, Whatman™

Supplier: Whatman products (Cytiva)

A creped paper for coarse particles, offers a very high filtration speed.

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Application specific filter papers, grade 512 ½, Whatman™

Application specific filter papers, grade 512 ½, Whatman™

Supplier: Whatman products (Cytiva)

Low phosphate cellulose papers approximately 1,5 ppm phosphate, for the filtration of calcium lactate extracts from soil samples for the determination of K and P according to Egnér, Riehm and Lederle.

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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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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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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 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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Seed testing papers

Seed testing papers

Supplier: Whatman products (Cytiva)

Owing to their extremely high purity our seed testing papers provide reliable and reproducible results. The papers are made from pure cellulose without any additives and do not contain any substances that could influence the growth of the seeds. The constant water absorption of the papers ensures the continuous provision of the required amount of water.

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