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Homepage>BS Standards>91 CONSTRUCTION MATERIALS AND BUILDING>91.140 Installations in buildings>91.140.30 Ventilation and air-conditioning systems>BS EN ISO 21083-1:2018 Test method to measure the efficiency of air filtration media against spherical nanomaterials Size range from 20 nm to 500 nm
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immediate downloadReleased: 2018-12-21
BS EN ISO 21083-1:2018 Test method to measure the efficiency of air filtration media against spherical nanomaterials Size range from 20 nm to 500 nm

BS EN ISO 21083-1:2018

Test method to measure the efficiency of air filtration media against spherical nanomaterials Size range from 20 nm to 500 nm

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Standard number:BS EN ISO 21083-1:2018
Pages:62
Released:2018-12-21
ISBN:978 0 580 95177 0
Status:Standard
DESCRIPTION

BS EN ISO 21083-1:2018


This standard BS EN ISO 21083-1:2018 Test method to measure the efficiency of air filtration media against spherical nanomaterials is classified in these ICS categories:
  • 91.140.30 Ventilation and air-conditioning systems

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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