- Summerville, South Carolina, United States
- US $50.00
- Jan 30th
Qualitative Filter Papers, Ahlstrom 631 Ahlstrom's qualitative grades of filter paper are, by definition, recommended 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.