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product name
Whatman® QM-A quartz filters, Circles, 50 mm 100/pk
物料
circles
quartz membrane
无菌性
non-sterile
包装
pack of 100
制造商/商品名称
Whatman 1851-050
Whatman Article No. 28418543 (US reference)
直径
50 mm
孔径
2.2 μm
适用性
suitable for (air sampling in acidic gases, stacks, flues and aerosols)
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相关类别
一般描述
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
其他说明
Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.
法律信息
Whatman is a registered trademark of Cytiva
法规信息
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