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WHA1851047

Whatman® QM-A quartz filters

Circles, 47 mm 100/pk

Synonym(s):

Z675032, glass fiber filters, quartz fiber filters

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About This Item

UNSPSC Code:
40161507
NACRES:
NB.24

material

circles
quartz membrane

sterility

non-sterile

packaging

pack of 100

manufacturer/tradename

Whatman 1851-047
Whatman Article No. 28418542 (US reference)

diam.

47 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)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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