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Key Documents

WHA1851865

Whatman® QM-A quartz filters

Sheets, 8 x 10 inches 25/pk

别名:

Z741094

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About This Item

分類程式碼代碼:
40161507
NACRES:
NB.24

材料

quartz membrane
sheets

無菌

non-sterile

包裝

pack of 25

製造商/商標名

Whatman 1851-865
Whatman Article No. 28418554 (US reference)

寬度 × 長度

8 in. × 10 in.

孔徑

2.2 μm

適合性

suitable for (air sampling in acidic gases, stacks, flues and aerosols)

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一般說明

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

特點和優勢

  • Temperature resistant up to 800°C
  • Binder-free

其他說明

Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.

法律資訊

Whatman is a registered trademark of Cytiva

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