119794
Grade 4 Qualitative Filter Papers
catalog number
Diameter
Size
price
Quantity
info
catalog number: 1004648
Size: 1.5x4.5 inch
catalog number: 1004930
Size: 580x580mm
catalog number: 1004917
Size: 460X570mm
catalog number: 1004400
Diameter: 400mm
catalog number: 1004240
Diameter: 240mm
catalog number: 1004270
Diameter: 270mm
catalog number: 1004320
Diameter: 320mm
catalog number: 1004110
Diameter: 110mm
catalog number: 1004027
Diameter: 27mm
catalog number: 1004125
Diameter: 125mm
catalog number: 1004090
Diameter: 90mm
catalog number: 1004070
Diameter: 70mm
catalog number: 1004185
Diameter: 185mm
catalog number: 1004042
Diameter: 42.5mm
catalog number: 1004150
Diameter: 150mm
catalog number: 1004047
Diameter: 47mm
catalog number: 1004055
Diameter: 55mm
catalog number: 1004050
Diameter: 50mm
Whatman Grade 4 Qualitative Filter Papers are a standard grade, high flow rate filter paper. They are useful in qualitative analytical separations when fast flow is required and the collection of fine particles is not critical.These cellulose filters are used in qualitative analytical techniques to determine and identify materials (e.g., in air pollution monitoring).Extremely high flow rateExcellent retention: captures coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxideFast filtration: useful for routine clean-up of biological fluids or organic extracts during analysisGrade 4 Qualitative Filter Papers (20-25 µm particle retention) are available in a variety of sizes and formats including circles, sheets, and rolls. They are also available as prepleated filters, which give improved flow rate and increased loading capacity compared to equivalent flat filters.
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Grade 4 Qualitative Filter Papers
Grade 4 Qualitative Filter Papers
Whatman Grade 4 Qualitative Filter Papers are a standard grade, high flow rate filter paper. They are useful in qualitative analytical separations when fast flow is required and the collection of fine particles is not critical.</br></br>These cellulose filters are used in qualitative analytical techniques to determine and identify materials (e.g., in air pollution monitoring).</br></br>Extremely high flow rate</br>Excellent retention: captures coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide</br>Fast filtration: useful for routine clean-up of biological fluids or organic extracts during analysis</br>Grade 4 Qualitative Filter Papers (20-25 µm particle retention) are available in a variety of sizes and formats including circles, sheets, and rolls. They are also available as prepleated filters, which give improved flow rate and increased loading capacity compared to equivalent flat filters.
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