•
Typical properties
| Minimum retention efficiency in air (% @ 0.3 µm) |
- |
| Typical retention efficiency in air (% @ 0.3 µm) |
≥ 99.97 |
| Nominal air flow (s/100 mL/in²) |
- |
| Nominal thickness (µm) |
430 |
| Nominal basis weight (g/m²) |
85 |
| Maximum recommended temperature (°C) |
1000 |
•
Ordering information – quartz fiber filter grades - Filter Circles
| Dimensions (mm) |
Catalog number |
Quantity/Pack |
| 37 |
1853-037-50 |
50 |
| 47 |
1853-047-50 |
50 |
| 50 |
1853-050-50 |
50 |
| 90 |
1853-090-50 |
50 |
| 150 |
1853-150-50 |
50 |
Whatman QM-H from GE is a pure quartz fiber filter for use in testing acidic gases, stacks, flues, and aerosols. Whatman QM-H has low heavy metal content so is well-suited for heavy metals analysis.
