Papier filtre

Cytiva Whatman™ Qualitative Filter Paper: Grade 1 Circles

Cytiva Whatman™ Qualitative Filter Paper: Grade 1 Circles

Covers a wide range of laboratory applications and is frequently used for clarifying liquids. Whatman™ Qualitative Filter Paper: Grade 1 Circles are widely used standard grade filter papers for routine applications with medium retention and flow rates.

Fisherbrand™ Qualitative Grade Plain Filter Paper Circles - P8 Grade

Fisherbrand™ Qualitative Grade Plain Filter Paper Circles - P8 Grade

Ideal for clarifying and removing particles of 20μm and larger, and in applications that do not require a low-ash or ashless paper.

Fisherbrand™ Qualitative Grade Plain Filter Paper Circles - P5 Grade

Fisherbrand™ Qualitative Grade Plain Filter Paper Circles - P5 Grade

Ideal for clarifying and removing particles of 1μm and larger, and in applications that do not require a low-ash or ashless paper

Fisherbrand™ Wet-Strengthened Qualitative Filter Paper Circles

Fisherbrand™ Wet-Strengthened Qualitative Filter Paper Circles

Coarse cellulose fiber papers remove particles >25μm

Cytiva Whatman™ Qualitative Filter Paper: Grade 4 Circles

Cytiva Whatman™ Qualitative Filter Paper: Grade 4 Circles

Filters and retains course particles for monitoring air pollution. Whatman™ Qualitative Filter Paper: Grade 4 Circles are used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.

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™ Qualitative Filter Paper: Grade 2 Circles

Cytiva Whatman™ Qualitative Filter Paper: Grade 2 Circles

Retains and absorbs more than Grade 1 filters, with a corresponding increase in filtration time. Whatman™ Qualitative Filter Paper: Grade 2 Circles are used for monitoring specific contaminants in the atmosphere and in soil testing.

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.

Cytiva Whatman™ Reeve Angel 202 Creped Qualitative Circles

Cytiva Whatman™ Reeve Angel 202 Creped Qualitative Circles

For routine, noncritical laboratory filtration applications such as general chemistry, pharmacology, emulsions, petroleum testing, soaps and detergents

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™ Qualitative Filter Paper: Grade 5 Circles

Cytiva Whatman™ Qualitative Filter Paper: Grade 5 Circles

Retains the fine precipitates encountered in chemical analysis. Whatman™ Qualitative Filter Paper - Grade 5 Circles are excellent clarifying filters for cloudy suspensions and for water and soil analysis.

Cytiva Whatman™ Qualitative Filter Paper: Grade 597½ Pleated Circles

Cytiva Whatman™ Qualitative Filter Paper: Grade 597½ Pleated Circles

Pleated to save time and achieve optimal fit in conical filter funnels. Whatman™ Qualitative Filter Paper: Grade 597½ Pleated Circles provide extra surface area to increase total loading capacity.

Fisherbrand™ Qualitative Grade Plain Filter Paper Sheets - P8 Grade

Fisherbrand™ Qualitative Grade Plain Filter Paper Sheets - P8 Grade

Ideal for clarifying and removing particles of 1μm and larger, and in applications that do not require a low-ash or ashless paper

Cytiva Whatman™ Qualitative Grade Plain Circles and Sheets - Grade 3

Cytiva Whatman™ Qualitative Grade Plain Circles and Sheets - Grade 3

Used for high precipitate capacity and increased wet strength. Whatman™ Qualitative Grade Plain Circles and Sheets - Grade 3 provide double the thickness of Whatman Grade 1.

Cytiva Whatman™ Grade 1 Qualitative Filter Papers

Cytiva Whatman™ Grade 1 Qualitative Filter Papers

The most widely used filter paper for routine laboratory applications, qualitative analytical separations, and clarifying liquids. The standard grade cellulose filter papers for medium flow rates.

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.

Eisco™ Qualitative Filter Paper

Eisco™ Qualitative Filter Paper

Student quality filter paper for use in school or home

Cytiva Whatman™ Reeve Angel 230 Creped Qualitative Circles

Cytiva Whatman™ Reeve Angel 230 Creped Qualitative Circles

Provide reliable performance for non-critical industrial laboratory and student lab applications

Fisherbrand™ Qualitative Grade Plain Filter Paper Sheets - P5 Grade

Fisherbrand™ Qualitative Grade Plain Filter Paper Sheets - P5 Grade

Ideal for clarifying and removing particles of 1μm and larger, and in applications that do not require a low-ash or ashless paper

Cytiva Whatman™ Grade 5 Qualitative Filter Papers

Cytiva Whatman™ Grade 5 Qualitative Filter Papers

A standard grade clarifying filter excellent for cloudy suspensions or for water and soil analysis.

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™ Grade 2V Folded Qualitative Filter Papers

Cytiva Whatman™ Grade 2V Folded Qualitative Filter Papers

Saves time required to fit circles into conical funnels. Whatman™ Grade 2V Folded Qualitative Filter Papers provide medium flow and nominal particle retention rating of 8µm at a higher filtration speed.

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.

Fisherbrand™ Qualitative Grade Plain Filter Paper Circles and Sheets - P4 Grade

Fisherbrand™ Qualitative Grade Plain Filter Paper Circles and Sheets - P4 Grade

Ideal for clarifying and removing particles of 1μm and larger, and in applications that do not require a low-ash or ashless paper

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.

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