Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 2: Size range from 3 nm to 30 nm (ISO/TS 21083-2:2019) (Endorsed by Asociación Española de Normalización in May of 2019.)
| Standard Number | UNE-CEN ISO/TS 21083-2:2019 |
|---|---|
| Organization |
Spanish Association for Standardization
|
| Level | National |
| Category | Specification |
| Status |
|