Status : Published (Under review)

This standard was last reviewed and confirmed in 2024. Therefore this version remains current.
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Abstract

This document specifies the testing instruments and procedure for determining the fractional filtration efficiencies of flat sheet filter medium against airborne nanoparticles in the range of 20 nm to 500 nm. The testing methods in this document are limited to spherical or nearly-spherical particles to avoid uncertainties due to the particle shape.

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General information

  • Status
     : Published
    Publication date
     : 2018-11
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 52
  • Technical Committee :
    ISO/TC 142
    ICS :
    91.140.30 
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