Quantitative Filter Paper
These filter papers are used for quantitative and gravimetric analyses as well as for pressure or vacuum filtration. They are made out of 100 % cotton linters with an α-cellulose content of > 98 % and are acid-washed to make the papers ashless and achieve high purity.
*Custom/bulk order quotes are provided within 24 hours of request.
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580 × 580 mm
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580 × 580 mm
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Quantitative Filter Paper
Grade Weight g/m² Thickness (mm) Filtration Time (s) Particle retention (µm) Precipitates Properties 388 (black dot) 84 0.21 10 12-15 Coarse crystalline Fast filtration 389 (white dot) 84 0.19 20 8-12 Medium-fine crystalline Medium-fast filtration, fat-free 392 (red dot) 84 0.17 50 5-8 Fine crystalline Medium-slow filtration 390 (green dot) 84 0.16 100 3-5 Fine crystalline Slow filtration 391 (blue dot) 84 0.15 180 2-3 Very fine crystalline Very slow filtration 393 (purple dot) 100 0.18 300 1-2 Very fine crystalline Very slow filtrationChoose the correct quantitative filter papers: