WHA1851082
Whatman® QM-A quartz filters
circles, diam. 82 mm
Synonym(s):
Z753033
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About This Item
UNSPSC Code:
40161507
NACRES:
NB.24
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material
circles
quartz membrane
sterility
non-sterile
packaging
pk of 100
manufacturer/tradename
Whatman 1851-082
Whatman Article No. 28418545 (US reference)
diam.
82 mm
pore size
2.2 μm
suitability
suitable for (air sampling in acidic gases, stacks, flues and aerosols)
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General description
High-purity quartz (SiO2) microfiber filters are used for air sampling in acidic gases, stacks, flues and aerosols, particularly at high temperatures up to 500°C and in PM-10 testing. Because of the low level of alkaline earth metals, ′artifact′ products of sulfates and nitrates (from SO2 and NO2) are virtually eliminated. QM-A, sequentially numbered according to EPA standards, is 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
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
Certificates of Analysis (COA)
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