Whatman Qualitative Filter Papers, 20-25um, 47mm
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GE Healthcare offers a wide choice of qualitative cellulose filter papers with different levels of purity, hardness, flow rate, loading capacity, and chemical resistance. Two formats are available: standard filters and wet-strengthened filters. Some standard and wet-strengthened filters are available in pre-pleated forms which improves flow rate and increases loading capacity compared to equivalent flat filters.
Whatman qualitative filter papers are manufactured from high-quality cotton linters, ensuring quality, reproducibility, and uniformity. Qualitative cellulose filters are used in qualitative analytical techniques to determine and identify materials. A wide range of retention/flow rate combinations matches numerous laboratory applications.
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Whatman 1541-047, Grade 541 Ashless Fast Filter Paper, 47 mm circles (100 pcs)Regular Price $32.19 Price $28.47
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Whatman Grade 4 Qualitative Filter Paper, Standard, 47 mm Circle, 100 Pack, 1004-047Regular Price $13.79 Price $12.20
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Whatman Grade 41 Fast Ashless Filter Paper, 47 mm Circle 100 Pack, 1441-047Regular Price $30.39 Price $26.88