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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

Publication date:   Nov 12, 2018

General information

90.93 Standard confirmed   Mar 11, 2024

ISO

ISO/TC 142 Cleaning equipment for air and other gases

International Standard

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.

Life cycle

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PUBLISHED
ISO 21083-1:2018
90.93 Standard confirmed
Mar 11, 2024