U hebt gezocht naar: Kwantitatief filterpapier

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: VWR Collection

424: Filtratie van loodsulfide, ijzersulfide, zilversulfide, alkalicarbonaat, loodchromaat, arseen, antimoon, cadmium en voedingsmiddelen. Bepaling van het zandvlekafwerking in zuivelproducten. Bepaling van de witheid van pulp in papierfabrieken.

Supplier: VWR Collection

Filters met een laag stikstofgehalte voor het bepalen van het stikstofgehalte in staal- en ijzermonsters opgelost in zuur. Filtratie van fijne neerslagen om op te lossen volgens de Kjeldahl-methode.

Supplier: Whatman products (Cytiva)

Dit sterk geglazuurd filterpapier gemaakt van hoogwaardige katoenlinters ondersteunt vacuümfiltratie in Büchner-trechters of Hirsch-trechters en maken sterke retentie van zeer fijne kristallijn neerslag mogelijk.

Supplier: Whatman products (Cytiva)

With less than 0,01% ash, Cytiva's Whatman Grade 589/1 filter papers can be used for the Blaine test in the cement industry and as an ash content test filter for foodstuffs.

Supplier: Whatman products (Cytiva)

Whatman Grade 589/2 filters from Cytiva are used in routine quantitative analyses, including analysis of aqueous suspension in paper, flour analysis, and sand content quantification.

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

Supplier: Whatman products (Cytiva)

Whatman Grade 40-filters met een hoge zuiverheid van Cytiva's activiteiten zijn papier voor algemeen gebruik voor kwantitatieve analyse. Grade 40-filters zijn geschikt voor een verscheidenheid aan analytische filtratietoepassingen.

Supplier: Whatman products (Cytiva)

Cytiva's Whatman Grade 41 environmental pollution papers are among the fastest filter papers in the Whatman ashless range. This gravimetric filter is well suited for quantitative analysis of soil and air.

Supplier: Whatman products (Cytiva)

Easily fits into conical funnels.

Supplier: Whatman products (Cytiva)

Whatman Grade 54 gehard kwantitatief filtreerpapier met laag asgehalte voor Büchner-trechter en Hirsch-trechterfiltratie maakt snelle vacuümzuigfiltratie voor herkristallisatietoepassingen mogelijk.

Supplier: Whatman products (Cytiva)

Cytiva's Whatman Grade 542 filters are acid hardened to allow high retention of fine precipitates in applications such as metal determinations and hydroxide collection.

Supplier: Whatman products (Cytiva)

These filter papers made from high quality cotton linters have the finest retention of all ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.

Supplier: Whatman products (Cytiva)

Cytiva's Whatman Grade 43 filters support inorganic analysis and other forms of instrumental analyses. The low ash content also makes Grade 43 appropriate for gravimetric analyses requiring sample combustion.

Supplier: Whatman products (Cytiva)

Cytiva's Whatman Grade 52 is a general-purpose filter paper for quantitative analysis in Büchner funnel and other vacuum filtrations. The acid-hardened surface and low ash content enable efficient precipitate recovery.

Supplier: Whatman products (Cytiva)

Cytiva's Whatman Grade 44 quantitative paper is a thin version of Grade 42 ashless paper. The thinness reduces the overall ash content, making Grade 44 well suited for analyses relying on ash-free dry weight.

Supplier: Whatman products (Cytiva)

Asvrije filterhulpmiddelen verhogen de filtratiesnelheid door de neerslag of suspensie te doen stollen om zo een dikke retentie 'voorfilter' laag te vormen boven het normale filterpapier.

Supplier: Ahlstrom-Munksjö

These quantitative ashless hardened filter papers are recommended for use where a high purity is required for quantitative analysis.

Supplier: Ahlstrom-Munksjö

These quantitative ashless hardened filter papers are recommended for use where a high purity is required for quantitative analysis.

Supplier: Sartorius

Deze filterpapieren zijn gemaakt van 100% katoenen linters. Ze zijn gegarandeerd vrij van zuurresten en ze hebben een bijzonder laag asgehalte. Deze filters zijn daarom vrijwel asvrij. Al het asvrije filtreerpapier van Sartorius wordt gekenmerkt door een hoge natsterkte en hoge zuiverheidsgraad. Dat maakt dit papier bijzonder geschikt voor kwantitatieve analyse, Büchner trechters en druk- of vacuümfiltratie.

Supplier: Ahlstrom-Munksjö

Ahlstrom-Munksjö manufactures a series of extremely high purity, acid washed filter papers designed for use in analytical and gravimetric analysis. The quantitative grades are manufactured from top quality cotton linters using ultra-pure, deionised water and are further treated with dilute acid to remove any remaining organic and inorganic impurities. All quantitative grades are manufactured in a strictly controlled environment that ensures high uniformity and high purity from filter to filter.

Supplier: Ahlstrom-Munksjö

Ahlstrom-Munksjö manufactures a series of extremely high purity, acid washed filter papers designed for use in analytical and gravimetric analysis. The quantitative grades are manufactured from top quality cotton linters using ultra-pure, deionised water and are further treated with dilute acid to remove any remaining organic and inorganic impurities. All quantitative grades are manufactured in a strictly controlled environment that ensures high uniformity and high purity from filter to filter.

Supplier: GERBER FUNKE

Filterpapier, kwantitatief

Supplier: Bel-Art Products, a Part of SP

These heavy bond grade filter paper discs are custom-sized to fit table-top Buchner funnels and have a thickness of 0,30 mm.

Supplier: MACHEREY-NAGEL

These quantitative filter papers are made from refined pulp and linters. They are purified in a highly developed clean-up process to remove organic and inorganic impurities. This ensures a low ash content of <0,01 %. They are consistent performance and give safe results in gravimetric analyses.

Supplier: MACHEREY-NAGEL

These wet strengthened hard smooth filter papers are made of refined pulp and linters and have a low ash content. They are often used for quantitative routine procedures and for analytical gravimetric applications.

Supplier: PRAT DUMAS

These papers are made of very pure cellulose and are washed in acids. They are designed for the quantitative analyses of routine applications and wet strengthened.

Supplier: PRAT DUMAS

The ashless papers are manufactured with a very pure cotton cellulose base. They are purified with acid to reduce the amount of mineral material such as silicon, aluminium or magnesium oxides as far as possible. The residues of the paper after calcination are reduced to negligible quantities and do not affect the results of the qualitative analysis.