BS ISO 22197-4:2021

Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for air-purification performance of semiconducting photocatalytic materials. Removal of formaldehyde.

STANDARD published on 29.7.2021

The information about the standard:

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
Category: Technical standards BS