Whatman – Qualitative Filter Paper Grade 5 Circles
These cellulose filters are used in qualitative analytical techniques to determine and identify materials and for clarifying liquids.
- Particle Retention: 2.5μm; most retentive grade of filter series
- Porosity: Fine
- Filtration speed: Herzberg, 1420 sec.
- Surface: smooth, dense
- Slow flow rate
- Maximum degree of fine particle filtration in the qualitative range
- Useful for clarifying cloudy suspensions, water analysis, Buchner funnel filtration