Codes & Standards - Purchase
SKU: iso_069876_165628
Published by ISO
Publication Year 2018
1 Edition
52 pages
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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