
Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for air-purification performance of semiconducting photocatalytic materials — Part 4: Removal of formaldehyde
NORM herausgegeben am 5.7.2021
Designation standards: ISO 22197-4:2021-ed.2.0
Publication date standards: 5.7.2021
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: International technical standard
Kategorie: Technische Normen ISO