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)
Standard Number | SIST EN ISO 21083-1:2019 |
---|---|
Organization |
Slovenian Institute for Standardization
|
Level | National |
Category | Test Method | Characterization | Measurement |
Status |
|
ABSTRACT
This document specifies the testing instruments and procedure for filtration efficiency of flat sheet filter media against airborne nanoparticles in the 20 – 500 nm range.