Grade 961 Qualitative Filter Papers key features:
- Qualitative analysis
- Low ash content 0.06%
- Consistent performance
- Wet-strengthened grades available
- Custom Cut
- Bulk packaging
For use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still requires high purity and consistent performance.
Ahlstrom 961: 40µm – Fast Speed
This fast filtering grade, with extremely high loading capacity, is recommended for the filtration of coarse and gelatinous precipitates. The creped surface of Ahlstrom 961 also offers a higher surface area to increase filtration speed.