Filters: Adsorptive gas filters (NT VVS 109)

  • Report #: NT VVS 109
  • Approved: November 1996
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  The aim of this method is to measure the filter efficiency and the adsorption capacity of adsorptive filters for different gases of low concentration in air. The measurements are carried out by means of a specified test equipment. The method also includes measurement of the pressure drop.  
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