Quantitative Filter Paper

GE Healthcare 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.

GE Healthcare 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.

GE Healthcare 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.

Fisherbrand™ Quantitative Grade Filter Paper Circles

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

Spectrum™ Spectra Mesh™ Woven, Nylon Filters

Consist of individual strands woven into a mesh screen

GE Healthcare 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.

GE Healthcare 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.

Labconco™ Fast-Freeze™ Flask Filter Paper

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

GE Healthcare 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.

GE Healthcare Whatman™ Grade 43 Ashless Filter Paper

Supports inorganic analysis and other forms of instrumental analyses.

Sartorius™ Quantitative Grade 391 Filter Papers

Used for quantitative and gravimetric analyses, as well as for pressure or vacuum filtration. Sartorius™ Qualitative Grade 391 Filter Papers are made of 100% cotton linters with an α-cellulose content of >98%.

GE Healthcare 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.

GE Healthcare 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.

GE Healthcare 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.

GE Healthcare 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.

GE Healthcare 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.

GE Healthcare 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.

GE Healthcare Whatman™ Ashless Clippings

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

Eisco™ Round Qualitative Filter Paper

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

GE Healthcare 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.

GE Healthcare 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.

GE Healthcare 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.

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