Status : Published (Under review)
This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
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Abstract

This document specifies the testing instruments and procedure for determining the filtration efficiencies of flat sheet filter media against airborne nanoparticles in the range of 3 nm to 30 nm. The testing methods in this document are limited to spherical or nearly-spherical particles to avoid uncertainties due to the particle shape.

General information

  • Status
     : Published
    Publication date
     : 2019-03
    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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