Papiers filtre
Fabriqué à partir de cellulose pure traitée à l’acide chlorhydrique et à l’acide fluorhydrique, le papier filtre est un papier quantitatif utilisé pour la filtration avec des débits élevés et une bonne rétention. Il crée une barrière semi-perméable perpendiculaire au flux de liquide ou d’air afin de séparer les substances fines des liquides ou de l’air. Différentes qualités de papier filtre sont disponibles pour les travaux de laboratoire courants, allant de la filtration grossière à la filtration fine des particules.
Applied Filters
VWR® Qualitative Filter Paper, Grade 413
Suitable for filtration of aluminum phosphate, barium carbonate, lead chromate, and more.
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Chromatography Paper
Quality paper for general chromatography and electrophoresis.
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Medium Grade, 15 μm
The most widely used qualitative filter paper for routine applications.
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Student Filter Paper
A good quality paper recommended for student use and all routine filtering operations. This is a strong filter paper with a medium flow rate and retention.
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VWR® Quantitative Grade Filter Paper Circles
Quantitative filter papers are used for gravimetric analyses or filtrations where the precipitate is to be recovered.
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Glass Microfiber Filter Paper
The glass filter paper is excellent for microwave testing where temperatures get very high such as for use in a food experiment where all the moisture is microwaved out to see how much solid is left behind. Withstands temperatures to 500 °C. Size of each: 11 cm diameter.
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Standard Grade Qualitative Filter Papers
Qualitative Filter Paper is available in three standard grades.
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Eisco Premium Qualitative Filter Papers
Pack of 100 premium Qualitative Filter Papers with medium speed (85 gsm) and 10 µm pore size.