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72 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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Standard Grade Qualitative Filter Papers

Standard Grade Qualitative Filter Papers

Supplier: VWR International

Qualitative Filter Paper is available in three standard grades.

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VWR® Qualitative Crepe Filter Paper, Grade 417

VWR® Qualitative Crepe Filter Paper, Grade 417

Supplier: VWR International

Good for rapid filtrations where fine particle retention is not required.

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VWR® Qualitative Filter Paper, Grade 413

VWR® Qualitative Filter Paper, Grade 413

Supplier: VWR International

Suitable for filtration of aluminum phosphate, barium carbonate, lead chromate, and more.

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VWR® Quantitative Filter Paper, Grade 494

VWR® Quantitative Filter Paper, Grade 494

Supplier: VWR International

Useful for very fine precipitates such as barium and lead sulfates, stannic and nickel sulfides, and calcium hydroxide.

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VWR® Qualitative Filter Paper, Grade 410

VWR® Qualitative Filter Paper, Grade 410

Supplier: VWR International

Grade 410 filter paper is useful in analytical operations involving filtration of cuprous oxide, lead sulfate, barium sulfate, manganese carbonate, and more.

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VWR® Qualitative Crepe Fluted Circles, Folded, Grade 315

VWR® Qualitative Crepe Fluted Circles, Folded, Grade 315

Supplier: VWR International

Crepe fluted circles are ideal for gelatinous and coarse precipitates.

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VWR® Qualitative Crepe Filter Paper, Grade 415

VWR® Qualitative Crepe Filter Paper, Grade 415

Supplier: VWR International

Good for coarse precipitates such as aluminum hydroxide, cobalt carbonate, mercury iodide, magnesium hydroxide, and more.

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VWR® Quantitative Filter Paper, Grade 454

VWR® Quantitative Filter Paper, Grade 454

Supplier: VWR International

Use for retention of zirconium hydroxide, aluminum hydroxide, cobalt sulfide, and other coarse or gelatinous precipitates.

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VWR® Quantitative Filter Paper, Grade 474

VWR® Quantitative Filter Paper, Grade 474

Supplier: VWR International

Uses include filtration of aluminum phosphate, zinc ammonium phosphate, and silver chromate.

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VWR® Qualitative Fluted Circles, Folded, Grade 313

VWR® Qualitative Fluted Circles, Folded, Grade 313

Supplier: VWR International

Used for drugs, pharmaceuticals, liquors, tinctures, chromatography, and protein-free filtrations in the clinical laboratory.

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Whatman™ Grade 1574 and 1574 ½ Qualitative Filter Papers, Wet Strengthened Grades, Whatman products (Cytiva)

Whatman™ Grade 1574 and 1574 ½ Qualitative Filter Papers, Wet Strengthened Grades, Whatman products (Cytiva)

Supplier: Cytiva

Medium fast cellulose filter paper with high wet strength. This paper has the same chemical resistance characteristics as Grade 1573.

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Whatman™ Grade 595 ½ Qualitative Filter Papers, Whatman products (Cytiva)

Whatman™ Grade 595 ½ Qualitative Filter Papers, Whatman products (Cytiva)

Supplier: 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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Whatman™ Quantitative Filter Papers, Ashless Grades (Ash 0.01%), Grade 589/2, Whatman Products (Cytiva)

Whatman™ Quantitative Filter Papers, Ashless Grades (Ash 0.01%), Grade 589/2, Whatman Products (Cytiva)

Supplier: 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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Whatman™ Grade 602 h Qualitative Filter Papers, Whatman products (Cytiva)

Whatman™ Grade 602 h Qualitative Filter Papers, Whatman products (Cytiva)

Supplier: Cytiva

A standard grade filter esed in sample preparation, e.g., in the beverage industry for residual sugar determination, acidic spectra, refractometric analysis, and HPLC.

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Whatman™ Grade 1 Qualitative Filter Paper, Whatman products (Cytiva)

Whatman™ Grade 1 Qualitative Filter Paper, Whatman products (Cytiva)

Supplier: Cytiva

Whatman Grade 1 Qualitative Filter Papers are the most widely used filter paper for routine laboratory applications, qualitative analytical separations, and clarifying liquids. They are the standard grade cellulose filter papers for medium flow rates.

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Whatman™ Grade 4 Qualitative Filter Papers, Whatman products (Cytiva)

Whatman™ Grade 4 Qualitative Filter Papers, Whatman products (Cytiva)

Supplier: Cytiva

Whatman Grade 4 Qualitative Filter Papers are a standard grade, high flow rate filter paper. They are useful in qualitative analytical separations when fast flow is required and the collection of fine particles is not critical.

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Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.01%), Grade 589/3, Whatman products (Cytiva)

Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.01%), Grade 589/3, Whatman products (Cytiva)

Supplier: Cytiva

Whatman Grade 589/3 ashless filter paper from Cytiva is particularly useful in capturing very fine particulate samples such as insoluble molecules in fats or oils or supporting ash free dry mass.

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Whatman™ Quantitative Filter Papers, Ashless Grades (Ash 0.007%), Grade 40

Whatman™ Quantitative Filter Papers, Ashless Grades (Ash 0.007%), Grade 40

Supplier: Cytiva

Whatman Grade 40 high-purity filters from Cytiva's business are general-purpose papers for quantitative analysis. Grade 40 filters are suitable for a variety of analytical filtration applications.

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Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.007%), Grade 43, Whatman products (Cytiva)

Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.007%), Grade 43, Whatman products (Cytiva)

Supplier: 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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Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.007%), Grade 42

Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.007%), Grade 42

Supplier: Cytiva

Cytiva's Whatman Grade 42 quantitative papers have the finest retention of all Whatman ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.

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Whatman™ Quantitative Filter Papers, Hardened Low Ash Grades, Grade 52

Whatman™ Quantitative Filter Papers, Hardened Low Ash Grades, Grade 52

Supplier: 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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Whatman™ Quantitative Filter Papers, Hardened Low Ash Grades, Grade 50, Whatman products (Cytiva)

Whatman™ Quantitative Filter Papers, Hardened Low Ash Grades, Grade 50, Whatman products (Cytiva)

Supplier: Cytiva

Whatman Grade 50 quantitative hardened low ash filter paper is highly glazed to enable recrystallization of very fine precipitates using Büchner funnel or Hirsch funnel filtration.

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Whatman™ Grade 802 Qualitative Filter Papers, Whatman products (Cytiva)

Whatman™ Grade 802 Qualitative Filter Papers, Whatman products (Cytiva)

Supplier: 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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Whatman™ Grade 597 and 597 ¹/₂ Qualitative Filter Papers

Whatman™ Grade 597 and 597 ¹/₂ Qualitative Filter Papers

Supplier: Cytiva

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

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Whatman™ Grade 113 Qualitative Filter Papers

Whatman™ Grade 113 Qualitative Filter Papers

Supplier: Cytiva

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

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Whatman™ Grade 113V Qualitative Filter Papers, Fluted, Whatman products (Cytiva)

Whatman™ Grade 113V Qualitative Filter Papers, Fluted, Whatman products (Cytiva)

Supplier: Cytiva

Cytiva's Whatman Grade 113V creped filter paper, 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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Whatman™ Grade 114V Qualitative Filter Papers, Fluted

Whatman™ Grade 114V Qualitative Filter Papers, Fluted

Supplier: Cytiva

Whatman Grade 114V smooth filter paper from Cytiva is wet-strengthened for high mechanical stability. Grade 114V fluted filters are suitable for recovery of large particles and gelatinous precipitates.

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Whatman™ Grade 595 Qualitative Filter Papers, Whatman products (Cytiva)

Whatman™ Grade 595 Qualitative Filter Papers, Whatman products (Cytiva)

Supplier: 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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Whatman™ Grade 8 Ruled Filter Papers, Whatman products (Cytiva)

Whatman™ Grade 8 Ruled Filter Papers, Whatman products (Cytiva)

Supplier: 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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Whatman™ Grade Shark Skin Filter Papers for Technical Use

Whatman™ Grade Shark Skin Filter Papers for Technical Use

Supplier: Cytiva

Whatman Grade Shark Skin filter papers are a creped filter paper that is commonly used to remove impurities in a variety of applications.

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