Quantitative Filter Paper, 150 x 230 mm, Cotton linters, Grade 50
Quantitative Filter Paper, 150 x 230 mm, Cotton linters, Grade 50, Hardened Low Ash Grade Type, Sheet Format, 115 µm Thickness, 2.7 µm Particle Retention in Liquid, 96 g/m2 Nominal Basis Weight, 2685 secs/100 ml (Herzberg) Filtration Speed
- Manufacturer Part No: 1450-916
- SECO Part No: GEH-1450-916
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Cytiva's thinnest Whatman™ brand hardened filter paper, highly glazed Grade 50 supports vacuum filtration in Buchner funnels or Hirsch funnels and enables strong retention of very fine crystalline precipitates.
| Grade | : | Grade 50 |
| Dimension | : | 150 x 230 mm |
| Material | : | High-quality Cotton Linters |
| Ash Content | : | 0.015% |
| Sterility | : | Non-sterile |
| Grade Type | : | Hardened Low Ash |
| Type | : | Quantitative |
| Dry Burst Pressure | : | 221 kPa/32 psi |
| Filtration Speed | : | 2685 sec/100 ml (Herzberg) |
| Format | : | Sheet |
| Nominal Air Flow Rate | : | 144 sec/100 ml/in2 |
| Nominal Basis Weight | : | 96 g/m2 |
| Particle Retention in Liquid | : | 2.7 µm |
| Properties | : | Slow |
| Thickness | : | 115 µm |
| Typical Water Flow Rate | : | 10 ml/min |
| Wet Burst Pressure | : | 41.4 kPa/6 psi |
| Alpha Cellulose Content | : | =98% |
| Loading Capacity | : | N |
Thinner filter design (average thickness 115 µm) than most Buchner filter papersAcid-treated for high wet-strength and chemical resistanceNominal particle retention of 2.7 µmSlow flow rates (Herzberg filtration speed 2685 s)High purity and low ash content (0.015% ash maximum)Compatible with Hirsch or Buchner funnelsFor qualitative or quantitative filtrations requiring vacuum assistance on Buchner or 3-piece filter funnels