Vous avez recherché : Quantitative Filter Paper

Supplier: VWR International

Useful for very fine precipitates such as barium and lead sulfates, stannic and nickel sulfides, and calcium hydroxide.

Supplier: VWR International

Use for retention of zirconium hydroxide, aluminum hydroxide, cobalt sulfide, and other coarse or gelatinous precipitates.

Supplier: VWR International

Uses include filtration of aluminum phosphate, zinc ammonium phosphate, and silver chromate.

Supplier: I.W. TREMONT CO., INC.

Positioned as an intermediate within the quantitative cellulose family, this grade demonstrates medium retention and flow rates.

Supplier: I.W. TREMONT CO., INC.

Very fast flow rates and loose retention characteristics make this grade ideal for initial separation of gelatinous precipitates.

Supplier: Cytiva

Easily fits into conical funnels.

Supplier: Cytiva

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.

Supplier: I.W. TREMONT CO., INC.

Grade CFP542 quantitative cellulose filter media is ashless and hardened with increased wet strength.

Supplier: I.W. TREMONT CO., INC.

Very similar to CFP42 but demonstrating a slightly wider retention rate within a similar flow rate.

Supplier: I.W. TREMONT CO., INC.

Grade CFP541 quantitative cellulose filter media is ashless and hardened with increased wet strength.

Supplier: I.W. TREMONT CO., INC.

Grade CFP540 quantitative cellulose filter media is ashless and hardened with increased wet strength.

Supplier: I.W. TREMONT CO., INC.

This media demonstrates an extremely high retention rate for a cellulose filter media.

Supplier: 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: I.W. TREMONT CO., INC.

Demonstrating medium retention and flow rates, this media is widely used in many general quantitative procedures in both liquid and gas.

Supplier: Cytiva

Whatman cellulose filter paper grades are also available in pyramid (square) folded formats.

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: Hach

These filter papers are designed for use in various Hach Water Analysis Handbook Methods and other environmental reference methods. Optimized ashless hardened circles provide an abrasion-resistant smooth surface, which is ideal for gravimetric procedures utilizing Büchner funnels and high vacuum.

Supplier: 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: 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: 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: 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: Cytiva

Cytiva's Whatman Grade 42 quantitative papers have the finest retention of all Whatman ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.

Supplier: Cytiva

Whatman Grade 50 quantitative hardened low ash filter paper is highly glazed to enable recrystallization of very fine precipitates using Büchner funnel or Hirsch funnel filtration.

Supplier: Cytiva

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

Supplier: 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: 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: 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: 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: 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: Cytiva

Ashless filter aids enhance filtration speed by coagulating precipitates or suspensions to form a thick retentive 'prefilter' layer on top of normal filter paper.