
Whatman® Filter Paper Qualitative Grade, Plain Circles, Grade 1, 12.5 Cm
- For general-purpose use, air-pollution monitoring and soil chemical analysis
- Particle Retention: >11 µm
- Porosity: medium
- Filtration speed: ASTM*, 40 seconds; Herzberg, 150 seconds
- Surface; smooth
- For general-purpose use, air-pollution monitoring and soil chemical analysis
- Particle Retention: >11 µm
- Porosity: medium
- Filtration speed: ASTM*, 40 seconds; Herzberg, 150 seconds
- Surface; smooth
Description
- For general-purpose use, air-pollution monitoring and soil chemical analysis
- Particle Retention: >11 µm
- Porosity: medium
- Filtration speed: ASTM*, 40 seconds; Herzberg, 150 seconds
- Surface; smooth












