Quantitative Filter Paper

Cytiva Whatman™ Quantitative Filter Paper: Grade 42  Circles

Cytiva Whatman™ Quantitative Filter Paper: Grade 42 Circles

Filters and retains extremely small particles. Whatman™ Quantitative Filter Paper: Grade 42 Circles are suitable for processes that require ashing.

Cytiva Whatman™ Quantitative Filter Paper: Grade 41 Circles

Cytiva Whatman™ Quantitative Filter Paper: Grade 41 Circles

Use for quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates or for quantitative air pollution analysis. Whatman™ Quantitative Filter Paper: Grade 41 Circles are commonly used in preparing samples for metal analysis after nitric acid digestion.

Cytiva Whatman™ Quantitative Filter Paper: Grade 40 Circles

Cytiva Whatman™ Quantitative Filter Paper: Grade 40 Circles

Supports accurate analysis in applications sensitive to very low levels of background contamination. Whatman™ Quantitative Filter Paper: Grade 40 Circles are additionally useful in gravimetric analysis where ash content might affect weight measurements of combusted samples.

Fisherbrand™ Quantitative Grade Filter Paper Circles

Fisherbrand™ Quantitative Grade Filter Paper Circles

Manufactured to reduce silicon dioxide, calcium oxide and ferric oxide levels

Cytiva Whatman™ Quantitative Filter Paper: Grade 541 Circles

Cytiva Whatman™ Quantitative Filter Paper: Grade 541 Circles

Recommended when fast filtration of a gelatinous precipitate for gravimetric analysis is performed on a strongly acidic or alkali solution. Whatman™ Quantitative Filter Paper: Grade 541 Circles  are acid hardened cellulose filters, which reduces ash to an extremely low level.

Cytiva Whatman™ Quantitative Filter Paper: Grade 42 Sheets

Cytiva Whatman™ Quantitative Filter Paper: Grade 42 Sheets

Filters and retains extremely small particles. Whatman™ Quantitative Filter Paper: Grade 42 Sheets are suitable for processes that require ashing.

Cytiva Whatman™ Grade 43 Ashless Filter Paper

Cytiva Whatman™ Grade 43 Ashless Filter Paper

Supports inorganic analysis and other forms of instrumental analyses.

Eisco™ Premium Filter Paper

Eisco™ Premium Filter Paper

For filtering solutions. Feature pure white, smooth finish textural consistency. Equivalent to WHATMAN No. 1

Cytiva Whatman™ Quantitative Filter Paper: Grade 41 Sheets

Cytiva Whatman™ Quantitative Filter Paper: Grade 41 Sheets

Use for quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates or for quantitative air pollution analysis. Whatman™ Quantitative Filter Paper: Grade 41 Sheets are commonly used in preparing samples for metal analysis after nitric acid digestion.

Cytiva Whatman™ Quantitative Filter Paper: Grade 50 Circles

Cytiva Whatman™ Quantitative Filter Paper: Grade 50 Circles

Enables strong retention for very fine crystalline precipitates. Whatman™ Quantitative Filter Paper: Grade 50 Circles withstand shredding, wet handling, and precipitate removal by scraping.

Cytiva Whatman™ Quantitative Filter Paper, Hardened Low Ash, Grade 50

Cytiva Whatman™ Quantitative Filter Paper, Hardened Low Ash, Grade 50

Hardened low ash filter paper, highly glazed for recrystallization of very fine precipitates using Buchner funnel or Hirsch funnel filtration.

Cytiva Whatman™ Grade 52 Quantitative Filter Paper

Cytiva Whatman™ Grade 52 Quantitative Filter Paper

Enables efficient precipitate recovery with acid-hardened surface and low ash content. Whatman™ Grade 52 Quantitative Filter Paper prevents fiber shredding during vacuum filtration or precipitate collection.

Cytiva Whatman™ Quantitative Filter Papers: Grade 542 Circles

Cytiva Whatman™ Quantitative Filter Papers: Grade 542 Circles

Enables high retention of fine particles in chemically harsh conditions. Whatman™ Quantitative Filter Papers: Grade 542 Circles are well suited for use in capturing fine precipitates in applications such as metal determinations and hydroxide collection.

Cytiva Whatman™ Grade 41 Fast Ashless Filter Paper

Cytiva Whatman™ Grade 41 Fast Ashless Filter Paper

These 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.

Cytiva Whatman™ Quantitative Filter Paper: Grade 540 Circles

Cytiva Whatman™ Quantitative Filter Paper: Grade 540 Circles

Use as a gravimetric filter during analysis of metals in acidic or alkaline solutions and in the collection of hydroxides. Whatman™ Quantitative Filter Paper: Grade 540 Circles acid-treated surface prevents tearing during filtration and allows the user to scrape precipitates from the paper.

Cytiva Whatman™ Grade 44 Quantitative Filter Paper

Cytiva Whatman™ Grade 44 Quantitative Filter Paper

Reduces overall ash content and the amount of time required for filtration. Whatman™ Grade 44 Quantitative Filter Paper provides faster gravimetric analysis with filter thinner material.

Labconco™ Fast-Freeze™ Flask Filter Paper

Labconco™ Fast-Freeze™ Flask Filter Paper

Fits into top of flask to prevent partial loss of product during freeze drying.

Spectrum™ Spectra Mesh™ Woven, Nylon Filters

Spectrum™ Spectra Mesh™ Woven, Nylon Filters

Consist of individual strands woven into a mesh screen

Cytiva Whatman™ Grade 43 Quantitative Filter Paper

Cytiva Whatman™ Grade 43 Quantitative Filter Paper

Contains very low ash content appropriate for gravimetric analyses requiring sample combustion. Whatman™ Grade 43 Quantitative Filter Paper can be ashed during gravimetric analysis without contributing substantially to the measured weight.

Cytiva Whatman™ Grade 54 Quantitative Filter Paper

Cytiva Whatman™ Grade 54 Quantitative Filter Paper

Supports collection of coarse and gelatinous precipitates with minimal fiber shredding, even when wet. Whatman™ Grade 54 Quantitative Filter Paper has a hard, smooth surface to sustain vacuum and suction filtration.

Cytiva Whatman™ Quantitative Filter Paper: Grade 589/1 Circles

Cytiva Whatman™ Quantitative Filter Paper: Grade 589/1 Circles

Designed for fast filtration of coarse precipitate. Whatman™ Grade 589/1 Quantitatve FIlter Paper Circles support tests such as cement fineness measurement in a standard Blaine test or determination of the ash content in foodstuffs. 

Cytiva Quantitative Filter Paper: Grade 40 Sheets

Cytiva Quantitative Filter Paper: Grade 40 Sheets

Supports accurate analysis in applications sensitive to very low levels of background contamination. Fisherbrand™ Quantitative Filter Paper: Grade 40 Circles are additionally useful in gravimetric analysis where ash content might affect weight measurements of combusted samples.

Cytiva Whatman™ Ashless Clippings

Cytiva Whatman™ Ashless Clippings

Enhance filtration speed by coagulating precipitates or suspensions to form thick retentive “prefilter” layer on top of normal filter paper.

Cytiva Whatman™ Grade 589/2 Quantitative Filter Paper

Cytiva Whatman™ Grade 589/2 Quantitative Filter Paper

Retains medium fine precipitates using material with virtually no ash content. Whatman™ Grade 589/2 Quantitative Filter Paper is used when medium fine precipitates are being collected and papers must be ashed to support analysis.

Cytiva Whatman™ Quadrant Folded Filter Papers

Cytiva Whatman™ Quadrant Folded Filter Papers

Saves users valuable time and provides ease of use when undertaking repetitive or multiple analyses

Cytiva Whatman™ Grade 589/3 Ashless Filter Papers

Cytiva Whatman™ Grade 589/3 Ashless Filter Papers

Useful in capturing very fine particulate samples such as insoluble molecules in fats and oils, or supporting ash free dry mass

Cytiva Whatman™ Environmental pollution analysis papers with gravimetric filter suited for quantitative analysis of soil and air.

Cytiva Whatman™ Environmental pollution analysis papers with gravimetric filter suited for quantitative analysis of soil and air.

Environmental pollution analysis papers with gravimetric filter suited for quantitative analysis of soil and air.

Cytiva Whatman™ Quantitative Filter Paper: Grade 41 Sheets

Cytiva Whatman™ Quantitative Filter Paper: Grade 41 Sheets

Use for quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates or for quantitative air pollution analysis. Fisherbrand™ Quantitative Filter Paper: Grade 41 Sheets are commonly used in preparing samples for metal analysis after nitric acid digestion.

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