Whatman Qualitative Filter Paper: Grade 2 Circles
Retains and absorbs more than Grade 1 filters, with a corresponding increase in filtration time. Whatman Qualitative Filter Paper: Grade 2 Circles are used for monitoring specific contaminants in the atmosphere and in soil testing.
Manufacturer: Whatman 1002070
These cellulose filters are used in qualitative analytical techniques to determine and identify materials and for clarifying liquids.
- Particle Retention: 8µm
- Porosity: Medium fine
- Filtration speed: ASTM, 55 sec.; Herzberg, 240 sec.
- Surface: Smooth
- Holds soil nutrient in plant growth trials
- Used for soil analysis and seed testing procedures in the agricultural industry