
Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for air-purification performance of semiconducting photocatalytic materials. Removal of formaldehyde.
NORM herausgegeben am 29.7.2021
Designation standards: BS ISO 22197-4:2021
Publication date standards: 29.7.2021
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Kategorie: Technische Normen BS
ISBN: 978 0 539 15210 4 Status: Under Review