Papiers filtre

Supplier: VWR Collection

Low nitrogen content filters for determination of nitrogen content in steel and iron samples dissolved in acid. Filtration of fine precipitates to dissolve according Kjeldahl method.

Supplier: VWR Collection

424 : Filtration of lead sulphide, iron sulphide, silver sulphide, alkali carbonate, lead chromate, arsenic, antimony, cadmium and foodstuffs. Détermination de la teneur en sable des produits laitiers. Détermination de la blancheur de la pâte à papier dans les papeteries.

Supplier: VWR Collection

Papier filtre hydrophobe utilisé pour la séparation entre les solutions aqueuses et les solutions organiques.

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%.

Supplier: Whatman products (Cytiva)

Papier filtre rapide offrant une résistance élevée à l'humidité. Il possède une surface très lisse facilitant la récupération du précipité par grattage ou par rinçage.

Supplier: Whatman products (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.

Supplier: Whatman products (Cytiva)

A medium fast filter paper used for the filtration of the mash for the determination of the extract in malt and wort and for removing carbon dioxide from beer.

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.

Supplier: Whatman products (Cytiva)

These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.

Supplier: Whatman products (Cytiva)

Compared with quadrant-folded filters, Cytiva's Whatman Grade 2V pre-folded filter paper exposes extra surface area, which enables a higher loading capacity and shorter filtration time.

Supplier: Whatman products (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.

Supplier: Whatman products (Cytiva)

Whatman Grade 1V lab filter paper from Cytiva business is a widely used pre-folded filter for many general filtration applications.

Supplier: Sartorius

These filter papers are used for routine analyses like clarification, determination of substances, but also as discs with a center hole for technical applications. Grades with a wet burst resistance >30 kPa are referred to as wet-strengthened and are therefore
suitable for pressure or vacuum filtration.

Supplier: Whatman products (Cytiva)

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

Supplier: Whatman products (Cytiva)

Grade 181 support filter for seed tests using copenhagen tank system.

Supplier: Whatman products (Cytiva)

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