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Thumbnail Filmstrip of Grade 5 Qualitative Filter Paper, Standard, 125mm Circle, 100/Pk Images
A standard grade clarifying filter excellent for cloudy suspensions and for water and soil analysis.
These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.
Grade 5: 2.5 um
The maximum degree of fine particle filtration in the qualitative range. Capable of retaining the fine precipitates encountered in chemical analysis. Slow flow rate. Excellent clarifying filter for cloudy suspensions and for water and soil analysis.
| Whatman Product Code | 1005-125 |
| Material | Cellulose |
| Grade | Grade 5 |
| Size | 125mm |
| Typical Particle Retention Rate in Liquid | 2.5 um |
| Thickness | 200 μm |
| Ash Content | ≤0.06% |
| Basis Weight | 100 g/m^2 |
| Air Flow Rate | 96 s/100ml/in^2 |
| Water Flow Rate | 5 ml/min |
| Format | Circles |
| Pack Size | 100 |
- Diameter
- 125mm
- Grade
- 5
- Material
- Cellulose
- Pack Count
- 100
- Pore Size (µm)
- 2.5
- Sterility
- Nonsterile
- Wetability
- Hydrophilic