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UNE EN ISO 21083-1:2020
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)
Método de ensayo para medir la eficacia de los medios de filtración de aire contra los nanomateriales esféricos. Parte 1: Intervalo de tamaño de partículas de 20 nm a 500 nm. (ISO 21083-1:2018).
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| Standard number: | UNE EN ISO 21083-1:2020 |
| Pages: | 62 |
| Released: | 2020-11-18 |
| Status: | Standard |
| Pages (Spanish): | 69 |
DESCRIPTION
UNE EN ISO 21083-1:2020
This document specifies the testing instruments and procedure for determining the particle size specific fractional filtration efficiency of flat sheet filter media against airborne nanoparticles in the 20 500 nm range. The testing methods in this document are limited to the use of spherical or nearly-spherical particles to avoid uncertainties due to the particle shape.