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Whatman 1004-400 Quantitative Filter Paper Circles, 20-25 Micron, 3.7 s/100mL/sq inch Flow Rate, Grade 4, 400mm Diameter (Pack of 100)
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Whatman 1004-400 Quantitative Filter Paper Features
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40.0cm
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Grade 4
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Used in qualitative analytical techniques to determine and identify materials
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Extremely fast filtering; provides excellent retention of coarse particles (20-25µm) and gelatinous precipitates such as ferric hydroxide and aluminium hydroxide
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Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical
About Whatman 1004-400 Quantitative Filter Paper
Description This Whatman 40.0cm, grade 4, cellulose filter paper is used in qualitative analytical techniques to determine and identify materials. It is extremely fast filtering. It provides excellent retention of coarse particles (20-25µm) and gelatinous precipitates such as ferric hydroxide and aluminium hydroxide. It is very useful as a rapid filter for routine cleanup of biological fluids or organic extracts during analysis. This filter paper is used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical. Retention: 20-25µm. Dimensions: 40.0cm. 100/Pack. Whatman #: 1004-400.
