Applications for qualitative filter papers
Ahlstrom qualitative grades of filter paper are recommended for use in analytical methods which determine or identify particulate constituents of a mixture irrespective of the amount present. These filters are often used in routine separation work that still requires high purity and consistent performance.
Our qualitative filter papers cover a wide range of laboratory applications including:
- Liquids clarification
- Qualitative analytical separations for precipitates
- Buffers filtration
- Soil analysis
- Food and beverage testing
Applications for quantitative filter papers
Ahlstrom manufactures a series of extremely high purity, acid washed filter papers, from top quality cotton linters using ultra-pure, deionized water and further treated with dilute acid to remove any remaining organic and inorganic impurities.
Our quantitative filter papers cover a wide range of laboratory applications including:
- Analytical analysis
- Gravimetric analysis
All Ahlstrom qualitative and quantitative grades are manufactured in a strictly controlled environment that ensures high uniformity and high purity from filter to filter.