BS ISO 22197-4:2021-TC

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

STANDARD published on 5.8.2021

English -
PDF - Immediate download (307.40 USD)

English -

Print design (307.40 USD)

The information about the standard:

Designation standards: BS ISO 22197-4:2021-TC
Publication date standards: 5.8.2021
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: British technical standard
Category: Technical standards BS

Annotation of standard text BS ISO 22197-4:2021-TC :

ISBN: 978 0 539 18756 4 Status: Under Review