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173 Ergebnisse für Papiers filtre

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Papiers filtre

Made of pure cellulose treated with hydrochloric and hydrofluoric acid, filter papers are used for straining with good retention and flow rates. These cellulose filters create 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 various laboratory applications including routine lab work, ranging from coarse to fine filtration of particulates. VWR offers a wide range of qualitative and quantitative filter papers with varying pore size, particle retention, flow rate and filtration times.

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

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

Supplier: Whatman products (Cytiva)

These are cellulose qualitative filter papers with low fat content.

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Qualitative filter papers, high-purity

Qualitative filter papers, high-purity

Supplier: Sartorius

These paper grades are used for analytical purposes that require a low ash content. They are essentially used for qualitative analyses.

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Grade 5 qualitative filter papers, Whatman™

Grade 5 qualitative filter papers, Whatman™

Supplier: Whatman products (Cytiva)

A standard grade clarifying filter excellent for cloudy suspensions and for water and soil analysis.

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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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Papiers filtres quantitatifs, grades sans cendres, grades 589/1 et 589/1 ½

Papiers filtres quantitatifs, grades sans cendres, grades 589/1 et 589/1 ½

Supplier: Whatman products (Cytiva)

With less than 0,01% ash, Cytiva's Whatman Grade 589/1 filter papers can be used for the Blaine test in the cement industry and as an ash content test filter for foodstuffs.

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Grade 2589 A filter papers for technical use, Whatman™

Grade 2589 A filter papers for technical use, Whatman™

Supplier: Whatman products (Cytiva)

A fast to medium fast filter with high wet strength offering medium retention.

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Qualitative filter papers, wet strengthened grades, grade 93, Whatman™

Qualitative filter papers, wet strengthened grades, grade 93, Whatman™

Supplier: Whatman products (Cytiva)

These cellulose filter papers are intermediate in speed and retention between grades 1 and 4.

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Grade 602 h ½ qualitative filter papers, Whatman™

Grade 602 h ½ qualitative filter papers, Whatman™

Supplier: Whatman products (Cytiva)

A dense prepleated filter paper for collecting very small particles and removing fine precipitates.

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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 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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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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Cone folded filter papers, Whatman™

Cone folded filter papers, Whatman™

Supplier: Whatman products (Cytiva)

Cone folded filter paper saves valuable time when undertaking repetitive or multiple analyses.

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Papiers filtres quantitatifs, grades sans cendres, grade 42, Whatman™

Papiers filtres quantitatifs, grades sans cendres, grade 42, Whatman™

Supplier: Whatman products (Cytiva)

These filter papers made from high quality cotton linters have the finest retention of all ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.

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Papiers filtre qualitatifs, grades standard, grades 595 et 595 ½, Whatman™

Papiers filtre qualitatifs, grades standard, grades 595 et 595 ½, 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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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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Papiers filtres industriels, Munktell

Papiers filtres industriels, Munktell

Supplier: Ahlstrom-Munksjö

Les papiers filtres suivants répondent à des exigences techniques spécifiques correspondant aux exigences mentionnées au verso. Les papiers filtres en relief ont une surface supérieure et, par conséquent, des temps de filtration plus courts. Ils présentent une structure poreuse fine et très homogène.

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Papiers filtres quantitatifs, grades sans cendres, grade 43, Whatman™

Papiers filtres quantitatifs, grades sans cendres, 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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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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VWR®, Papiers filtre qualitatifs

VWR®, Papiers filtre qualitatifs

Supplier: VWR Collection

Grade 402 and 302: General grade for qualitative tasks. Compatible avec la plupart des sulfures. Détermination de la teneur totale en graisse des produits laitiers.
Grade 403 and 313: Utilisé en laboratoire clinique pour les drogues, produits pharmaceutiques, liqueurs, teintures, pour les filtrages chromatographiques et pour obtenir des filtrats dé-protéinés.

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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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Application specific filter papers, grade 0048, Whatman™

Application specific filter papers, grade 0048, Whatman™

Supplier: Whatman products (Cytiva)

Filter mat made from a mixture of cellulose and polyester. This mat is used for optically testing baby food (artificial milk) for textile fibers.

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Qualitative filter papers, technical, smooth, grade 4 b

Qualitative filter papers, technical, smooth, grade 4 b

Supplier: Sartorius

These smooth filter papers are made of refined pulp and linters with more than 95% alpha-cellulose content. The ash content of these filter papers is between 0,1 and 0,15%.

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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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Application specific filter papers, grade 0790 ½, Whatman™

Application specific filter papers, grade 0790 ½, Whatman™

Supplier: Whatman products (Cytiva)

Acid washed cellulose filter paper with ash content of approximately 0,01%, low magnesium, for the determination of trace elements (Mg, Mn, Co, Cu, Mo, B).

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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 114 qualitative filter papers, Whatman™

Grade 114 qualitative filter papers, Whatman™

Supplier: Whatman products (Cytiva)

These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin.

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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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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 520 bII ½ filter papers for technical use, Whatman™

Grade 520 bII ½ filter papers for technical use, Whatman™

Supplier: Whatman products (Cytiva)

Grade 520bll ½ thick, pleated filter paper with high wet strength offering a very high flow rate.

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