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Cytiva Whatman™ Grade 54 Quantitative Filter Paper
Description
Supports collection of coarse and gelatinous precipitates with minimal fiber shredding, even when wet. Whatman™ Grade 54 Quantitative Filter Paper has a hard, smooth surface to sustain vacuum and suction filtration.
- Acid-treated for high wet-strength and chemical resistance
- Large nominal particle retention rating of 22μm
- Fast filtration speed (Herzberg filtration speed 39 s)
- High purity (0.015% ash maximum)
- Compatible with Büchner funnel or Hirsch funnel applications
Specifications
Specifications
| Airflow Rate | 3 s/100 mL/in2 |
| Description | Grade 54 Quantitative Filter Paper Hardened Low Ash, sheet, 460 × 570 mm |
| Filter Type | Hardened Low Ash |
| Format | Sheet |
| Material | Cotton Linters |
| Particle Retention | 22 μm |
| Pore Size | 22 μm |
| Filtration Speed | ASTM, 10 seconds; Herzberg, 39 seconds |
| Flow Rate | Fast |
| For Use With (Application) | Suitable for Büchner filtrations where it is desirable to recover the precipitate from the filter surface after filtration.High wet strength makes this grade very suitable for vacuum assisted fast filtration of ‘difficult’ coarse or gelatinous precipitat |
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