MADE IN EUROPE
EQUIVALENT TO GE WHATMAN
AVAILABLE TO ORDER
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Ahlstrom-Munksjö’s qualitative grades of laboratory filter paper are recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative lab filter papers are often used in routine separation work that still requires high purity and consistent performance.
Ahlstrom-Munksjö offers a range of low ash lab filter papers for general laboratory work that provides the ideal combination of particle retention, filtration speed, loading capacity, and wet strength. Our qualitative lab filter grades comprise>95% super refined α-cellulose and linter fibres.
Key Features
| Standard Grades | Retention in µm | Filtering Speed Herzberg sec/100mls | Filtering Speed Rapidity mls/min | Loading Capacity | GE Whatman Cross Reference |
| 610 | 1.5 | 1724 | 4 | Medium | 5 |
| 642 | 2.0 | 229 | 30 | Medium | 2 |
| 601 | 2.5 | 124 | 55 | Medium | 1 |
| 237 | 3.0 | 114 | 60 | Very High | 3 |
| 609 | 4.0 | 98 | 70 | Medium | – |
| 627 | 4.0 | 80 | 85 | High | – |
| 613 | 6.0 | 114 | 60 | Medium | Student Grade |
| 631 | 10.0 | 34 | 200 | High | 4 |
| 615 | 25.0 | 29 | 235 | High | – |
| 617 | 35.0 | 19 | 360 | Very High | – |
| Wet-Strength Grades | Retention in µm | Filtering Speed Herzberg sec/100mls | Filtering Speed Rapidity mls/min | Loading Capacity | GE Whatman Cross Reference |
| 950 | 2.0 | 491 | 14 | Medium | 6 |
| 909 | 3.0 | 105 | 65 | Medium | 91 |
| 962 | 27.0 | 28 | 245 | High | 114 |
| 961 | 40.0 | 19 | 360 | Very High | 113 |
AVAILABLE TO ORDER
AVAILABLE TO ORDER
AVAILABLE TO ORDER
AVAILABLE TO ORDER
