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Cytiva Whatman™ Qualitative Filter Paper: Grade 4 Circles
Filters and retains coarse particles for monitoring air pollution. Whatman™ Qualitative Filter Paper: Grade 4 Circles are used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.
Marca: Cytiva 1004-042
77.38 DKK valid until 2024-12-31
Use promo code "23266" to get your promotional price.
Detalles adicionales : Weight : 0.01100kg
Descripción
Filters and retains coarse particles for monitoring air pollution. Whatman™ Qualitative Filter Paper: Grade 4 Circles are used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.
These cellulose filters are used in qualitative analytical techniques to determine and identify materials and for clarifying liquids.
- Particle Retention: 25μm
- Porosity: Coarse
- Filtration speed: Herzberg, 37 sec.
- Surface: smooth
- Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide
- Useful as a rapid filter for routine clean-up of biological fluids or organic extracts during analysis
Especificaciones
| Grade 4 Qualitative Filter Paper Standard Grade, circle, 42.5 mm | |
| Cellulose | |
| 20 to 25 μm | |
| Fast | |
| Grade 4 | |
| 100 Pack | |
| Ø 42.5 mm |
| Disc | |
| Coarse particles and gelatinous precipitates | |
| 37 sec. | |
| A standard grade filter used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical. | |
| Medium | |
| 210 μm | |
| 42.5 mm |