You searched for: Filter Papers

Supplier: VWR Collection

424: Filtration of lead sulphide, iron sulphide, silver sulphide, alkali carbonate, lead chromate, arsenic, antimony, cadmium and foodstuffs. Determination of sand content in dairy products. Determination of whiteness of pulp in paper mills.

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

Hydrophobic filter paper used for separation of aqueous solutions from organic solutions.

Supplier: VWR Collection

Grade 402 and 302: General grade for qualitative tasks. Suitable for most sulphides. Determination of total fat content in dairy products.
Grade 403 and 313: Drugs, pharmaceuticals, liquors, tinctures, chromatography and protein-free filtrations in the clinical laboratory.

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: Whatman products (Cytiva)

Filter paper, qualitative, Whatman™, Grade F319-04, 44 mm

Supplier: Whatman products (Cytiva)

Whatman Grade 1 Qualitative Filter Papers are the most widely used filter paper for routine laboratory applications, qualitative analytical separations, and clarifying liquids. They are the standard grade cellulose filter papers for medium flow rates.

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)

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)

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: 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)

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)

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

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

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)

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)

A fast filter paper with high wet strength. It has a very smooth surface making it easy to scrape or wash off precipitate.

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)

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

Supplier: Whatman products (Cytiva)

Whatman Grade Shark Skin filter papers are a creped filter paper that is commonly used to remove impurities in a variety of applications.

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)

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)

Coarse filter mat with high wet strength.

Supplier: Whatman products (Cytiva)

These are cellulose qualitative filter papers with low fat content.

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 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)

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)

Cellulose filter paper for identification of undissolved dyes in the textile industry.