Qualitative filter papers, grade 230, Whatman™
A general qualitative filter with creped surface. Widely used in industrial laboratories and students laboratories for routine filtration.
- Retains coarse particles
- High speed and loading capacity
- Strong, thick filter
The filter is wet-strengthened with a small amount of chemically stable resin to extend the life of the filter and improve handling. Normal qualitative applications will not introduce any significant impurities into the filtrate. However it is not recommended for Kjeldahl nitrogen analysis.
- Catalog No:
- 515-2838
- 515-2837
- 515-2840
- 515-2839
- 515-2842
- WHAT5230-330
- 515-2841
- WHAT5230-200
- WHAT5230-400
- WHAT5230-500
- WHAT5230-250
- Grade:
- 230
- 230
- 230
- 230
- 230
- 230
- 230
- 230
- 230
- 230
- 230
- Weight:
- 123 g/m²
- 123 g/m²
- 123 g/m²
- 123 g/m²
- 123 g/m²
- 123 g/m²
- 123 g/m²
- 123 g/m²
- 123 g/m²
- 123 g/m²
- 123 g/m²
- Thickness:
- 400 µm
- 400 µm
- 400 µm
- 400 µm
- 400 µm
- 400 µm
- 400 µm
- 400 µm
- 400 µm
- 400 µm
- 400 µm
- Max. pore size:
- 30 µm
- 30 µm
- 30 µm
- 30 µm
- 30 µm
- 30 µm
- 30 µm
- 30 µm
- 30 µm
- 30 µm
- 30 µm
- Min. pore size:
- 25 µm
- 25 µm
- 25 µm
- 25 µm
- 25 µm
- 25 µm
- 25 µm
- 25 µm
- 25 µm
- 25 µm
- 25 µm
- Flow rate:
- Fast
- Fast
- Fast
- Fast
- Fast
- Fast
- Fast
- Fast
- Fast
- Fast
- Fast
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