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EN ISO 21083-1:2018

Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 1: Size range from 20 nm to 500 nm (ISO 21083-1:2018) EN ISO 21083-1:2018

Publication date:   Jun 17, 2019

General information

60.60 Standard published   Dec 12, 2018

CEN

CEN/TC 195 Cleaning equipment for air and other gases

European Norm

91.140.30   Ventilation and air-conditioning systems

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Scope

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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PUBLISHED
EN ISO 21083-1:2018
60.60 Standard published
Dec 12, 2018