NF B44-101-4*NF ISO 22197-4:2021
Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials - Part 4 : removal of formaldehyde

Standard No.

NF B44-101-4*NF ISO 22197-4:2021

Release Date

2021

Published By

Association Francaise de Normalisation

Status

Be replaced 2013-06

Replace By

NF B44-101-4:2013

Latest

NF B44-101-4:2013

NF B44-101-4*NF ISO 22197-4:2021 history

• 2021 NF B44-101-4*NF ISO 22197-4:2021 Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials - Part 4 : removal of formaldehyde
• 2013 NF B44-101-4:2013 Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials - Part 4: removal of formaldehyde