material
quartz membrane, sheets
sterility
non-sterile
packaging
pack of 25
manufacturer/tradename
Whatman 1851-865, Whatman Article No. 28418554 (US reference)
W × L
8 in. × 10 in.
pore size
2.2 μm
suitability
suitable for (air sampling in acidic gases, stacks, flues and aerosols)
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General description
Cytiva′s high-purity quartz microfiber filters are used in many air sampling filter applications, including sampling of acidic gases, stacks, flues, and aerosols. Filters are suitable for PM-10 sampling and analysis. Because of the low level of alkaline earth metals, "artifact" products of sulfates and nitrates (from SO₂ and NO₂) are virtually eliminated. High-purity quartz microfiber filters are therefore applicable for particulate monitoring and heavy metal analysis. QM-A quartz microfiber filters from Cytiva come in a wide range of circle diameters, as well as 25-piece sheets. QM-A sheets (1851-8866) are sequentially numbered according to U.S. Environmental Protection Agency (EPA) standards and are suitable for most applications.
- Grade: QM-A
- Description: Quartz
- Particle Retention in Liquid (μm): 2.2
- Air Flow (s/100 mL/in²): 6.4
- Typical Thickness (μm): 450
- Basis Weight (g/m²): 85
Features and Benefits
- Temperature resistant up to 800°C
- Binder-free
Other Notes
Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.
Legal Information
Whatman is a registered trademark of Cytiva
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