BS IS0 22197-2:2019 BSI Standards Publication Fine ceramics (advanced ceramics, advanced technical ceramics) Test method for air-purification performance of semiconducting photocatalytic materials Part 2: Removal of acetaldehyde bsi. BSISO22197-2:2019 BRITISH STANDARD National foreword This British Standard is the UK implementation of IS0 22197-2:2019. It supersedes BSIS0 22197-2:2011, which is withdrawn. The UK participation in its preparation was entrusted to Technical CommitteeRPI/13,Advancedtechnical ceramics. A list of organizations represented on this committee can be obtained on requestto its secretary. This publication does not purport to include all the necessary provisions ofa contract.Users areresponsiblefor its correct application. @TheBritishStandards Institution2019 Published byBSI StandardsLimited2019 ISBN9780539008128 ICS 81.060.30 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon31October2019. Amendments/corrigendaissuedsincepublication Date Textaffected BSIS022197-2:2019 INTERNATIONAL ISO STANDARD 22197-2 Second edition 2019-10-15 Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials - Part 2: Removal of acetaldehyde Céramiquestechniques-Méthodesd'essairelativesala performancedes materiaux photocatalytiques semi-conducteurs pour lapurificationdeI'air- Partie 2: Elimination de I'acétaldehyde Reference number ISO 22197-2:2019(E) ISO @ IS0 2019