Quantitative Filter Paper

Fisherbrand™ Quantitative Grade Filter Paper Circles

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

Fisherbrand™ 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.

Fisherbrand™ 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.

Whatman™ Quantitative Filter Paper: Grade 40 Circles Available on GSA/VA Contract for Federal Government customers only.

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.

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.

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.

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.

Whatman™ Grade 43 Quantitative Filter Paper Available on GSA/VA Contract for Federal Government customers only.

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.

Whatman™ Grade 589/2 Quantitative Filter Paper Available on GSA/VA Contract for Federal Government customers only.

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.

Whatman™ Quantitative Filter Paper: Grade 42 Circles Available on GSA/VA Contract for Federal Government customers only.

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

Whatman™ Quantitative Filter Paper: Grade 41 Circles Available on GSA/VA Contract for Federal Government customers only.

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.

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.

Whatman™ Quantitative Grade Filter Papers, Ashless: PROMO OFFER

Suitable for gravity or low-suction (low-vacuum) filtration

Whatman™ Grade 43 Ashless Filter Paper

Supports inorganic analysis and other forms of instrumental analyses.

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.

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.

Whatman™ Grade 1573-½ Qualitative Filter Papers

Prepleated to fit conical filter funnels in repetitive or multiple analyses.

Whatman™ Quantitative Filter Paper: Grade 41 Sheets Available on GSA/VA Contract for Federal Government customers only.

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.

Whatman™ Grade 44 Quantitative Filter Paper Available on GSA/VA Contract for Federal Government customers only.

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.

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.

Whatman™ Quantitative Filter Paper: Grade 589/1 Circles Available on GSA/VA Contract for Federal Government customers only.

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. 

Whatman™ Quantitative Filter Paper: Grade 50 Sheets Available on GSA/VA Contract for Federal Government customers only.

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

Whatman™ Quantitative Filter Paper: Grade 42 Sheets Available on GSA/VA Contract for Federal Government customers only.

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

Whatman™ Quantitative Filter Papers - Grade 41 Available on GSA/VA Contract for Federal Government customers only.

Contains extremely low ash content at 0.007%. Whatman™ Quantitative Filter Papers – Grade 41 aid analytical procedures involving coarse particles or gelatinous precipitates.

Whatman™ Ashless Clippings

Ashless filter aid

Labconco™ Fast-Freeze™ Flask Filter Paper

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

Whatman™ Quantitative Filter Paper: Grade 50 Sheets Available on GSA/VA Contract for Federal Government customers only.

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

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