Whatman QM-H Quartz Microfiber Filters

CYTIVA
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. QM-H filter has a high stability up to 900°C, high filtration efficiency, binder-free, and minimal reactivity with biological or chemical components.
• 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