Vous avez recherché : Papiers filtre

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: 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.

Supplier: Sartorius

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

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.

Supplier: Whatman products (Cytiva)

Coarse filter mat with high wet strength.

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.

Supplier: Whatman products (Cytiva)

Cytiva's Whatman Grade 540 is a high-purity, acid-treated cellulose lab filter paper. Mechanically strong Grade 540 is well suited for quantitative or gravimetric analysis of strongly acidic or alkaline samples.

Supplier: Whatman products (Cytiva)

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

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).

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.

Supplier: Whatman products (Cytiva)

Cytiva's Whatman Grade 541 acid hardened cellulose filter paper features high wet-strength, high chemical resistance, and a large nominal particle retention for fast analytical filtration.

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%.

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.

Supplier: Whatman products (Cytiva)

Le papier filtre quantitatif Whatman Grade 54 durci à faible teneur en cendres pour la filtration sur entonnoir Büchner et sur entonnoir Hirsch permet une filtration rapide par aspiration sous vide pour les applications de recristallisation.

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%.

Supplier: Whatman products (Cytiva)

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

Supplier: Whatman products (Cytiva)

A general qualitative filter for less critical routine analysis. Widely used in industrial laboratories and students laboratories for routine filtration.

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.

Supplier: Whatman products (Cytiva)

Thick filter with medium to slow filtration speed, high wet strength, and good retention for smaller particles.

Supplier: Whatman products (Cytiva)

These cellulose filters are used in qualitative analytical techniques to determine and identify materials. A standard grade filter paper for fine precipitates.

Supplier: Sartorius

Ces papiers filtres sont constitués de pâte raffinée et de linters contenant plus de 98 % d'alpha cellulose et sont garantis sans acides résiduels utilisés dans certaines méthodes de production. Ils ont une teneur en cendre extrêmement faible et se dénomment par conséquence papier sans cendres. Les papiers filtres sans cendres de Sartorius sont caractérisés par une forte résistance à l'humidité et par une pureté élevée. Ces papiers sont tout particulièrement adaptés aux analyses quantitatives, aux entonnoirs Büchner, à la filtration sous vide ou sous pression.

Supplier: Whatman products (Cytiva)

Grade 604½ Qualitative Filter Papers for coarse precipitates. Maintains flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself.

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: Whatman products (Cytiva)

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

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)

Smooth filter papers with good retentivity at a relatively high filtration speed. They are used for the clarifying filtration of dried beet pulp extracts or beet juice after the addition of lead acetate for subsequent polarimetric sugar determination.

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)

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

Supplier: Whatman products (Cytiva)

These are cellulose qualitative filter papers with low fat content.

Supplier: Whatman products (Cytiva)

A very thick filter with high wet strength. Offers medium to slow flow rate and retains very fine precipitates.