Hledali jste: Papír kvantitativní filtrační

Katalogové číslo: (516-0316)

Dodavatel: VWR Collection

Popis: 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.

Měrná jednotka: 1 * 100 KS

Akce

Dodavatel: Whatman products (Cytiva)

Popis: 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.

Certifikáty

Dodavatel: VWR Collection

Popis: <B>424: </B>Vhodné pro filtraci sulfidu olova, sulfidu železa, sulfidu stříbra, uhličitanů alkalických kovů, chromanu olovnatého, arsenu, antimonu, kadmia a potravin. Dále slouží ke stanovení obsahu písku v mléčných produktech a stanovení bělosti buničiny v papírnách.

Dodavatel: Whatman products (Cytiva)

Popis: 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.

Dodavatel: Whatman products (Cytiva)

Popis: These highly glazed filter papers made from high quality cotton linters support vacuum filtration in Büchner funnels or Hirsch funnels and enable strong retention of very fine crystalline precipitates.

Dodavatel: Whatman products (Cytiva)

Popis: Whatman Grade 40 high-purity filters from Cytiva's business are general-purpose papers for quantitative analysis. Grade 40 filters are suitable for a variety of analytical filtration applications.

Dodavatel: Whatman products (Cytiva)

Popis: 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.

Dodavatel: Whatman products (Cytiva)

Popis: 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.

Dodavatel: Whatman products (Cytiva)

Popis: 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.

Katalogové číslo: (WHAT1703-050)

Dodavatel: Whatman products (Cytiva)

Popis: Bezpopelové filtrační pomocné látky zvyšují filtrační rychlost tvorbou sraženin nebo srážením suspenzí pro vytvoření husté retenční ‘prefilter’ vrstvy v horní části běžného filtračního papíru.

Měrná jednotka: 1 * 500 g

Akce

Dodavatel: Whatman products (Cytiva)

Popis: 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.

Certifikáty

Dodavatel: Ahlstrom-Munksjö

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

Dodavatel: Whatman products (Cytiva)

Popis: 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.

Dodavatel: Whatman products (Cytiva)

Popis: 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.

Dodavatel: Whatman products (Cytiva)

Popis: 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.

Dodavatel: Whatman products (Cytiva)

Popis: Whatman Grade 54 hardened low ash quantitative filter paper for Büchner funnel and Hirsch funnel filtration enables fast vacuum suction filtration for recrystallization applications.