Qualitatives Filterpapier
Aus reiner Zellulose gefertigt, die mit Salz- und Flusssäure behandelt wurde, dienen Filterpapiere dem Filtern mit guter Rückhaltefähigkeit und Durchflussrate. Diese Zellulosefilter bilden eine semipermeable Barriere senkrecht zum Flüssigkeits- oder Luftstrom, um feine Substanzen aus Flüssigkeiten oder Luft zu trennen. Es sind verschiedene Qualitäten von Filterpapier erhältlich, um unterschiedliche Laboranwendungen durchzuführen – von grober bis feiner Partikelfiltration bei routinemäßigen Laborarbeiten. Avantor bietet ein breites Sortiment an qualitativen und quantitativen Filterpapieren mit unterschiedlichen Porengrößen, Partikelrückhaltung, Durchflussraten und Filtrationszeiten.
VWR®, Qualitative Filterpapiere
Supplier: VWR Collection
These highly pure filter paper grades are produced from cellulose fibers with an alpha-cellulose content of nearly 100%, in accordance with precise quality standards. The ash content is approximately 0.06%.
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Qualitative Filterpapiere, Standardsorten, Sorte 604 ½, Whatman™
Supplier: Whatman products (Cytiva)
Diese Zellulosefilter werden in qualitativen Analyseverfahren zur Materialbestimmung und -identifizierung verwendet. Ein Filterpapier in Standardqualität für grobe Präzipitate.
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Grade 113V qualitative filter papers, fluted, Whatman™
Supplier: Whatman products (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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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 Filterpapiere, nassfeste Sorten, Sorte 91, Whatman™
Supplier: Whatman products (Cytiva)
Gekreppter Allzweck-Zellulosefilter für weniger kritische Routineanalysen. Weit verbreitet zur Prüfung von Saccharose in Rohrzucker und in pharmazeutischen Laboren für die Routinefiltration.
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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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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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Qualitative Filterpapiere, Standardsorten, Sorten 602 eh und 602 eh ½, Whatman™
Supplier: Whatman products (Cytiva)
Güteklasse 602EH und 602EH½ qualitative Filter für sehr feine Präzipitate.
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Sorte 3 qualitative Filterpapiere, Standardsorten, Whatman™
Supplier: Whatman products (Cytiva)
Ein Filter der Standardsorte wird bei qualitativen Analysetechniken zur Materialbestimmung und -identifizierung verwendet. Zur Verwendung in Büchner-Trichtern.
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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 602 h qualitative filter papers, Whatman™
Supplier: Whatman products (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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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 114V qualitative filter papers, fluted, Whatman™
Supplier: Whatman products (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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Qualitative filter papers, grade 201, Whatman™
Supplier: Whatman products (Cytiva)
A general qualitative filter for less critical routine analysis. Widely used in industrial laboratories and students laboratories for routine filtration.
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Filterpapiere (Grad 8, Whatman™)
Supplier: Whatman products (Cytiva)
Diese weißen Baumwoll-Linter-Zellulosefilter eignen sich ideal für Routineuntersuchungen auf Fremdstoffe in verschiedenen Probenarten.
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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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