UNE-ISO 22197-1:2012 Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for air-purification performance of semiconducting photocatalytic materials. Part 1: Removal of nitric oxide
2012UNE-ISO 22197-1:2012 Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for air-purification performance of semiconducting photocatalytic materials. Part 1: Removal of nitric oxide