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ISO/DIS 22197-4

Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for air-purification performance of semiconducting photocatalytic materials — Part 4: Removal of formaldehyde

General information

40.98     Mar 25, 2020

ISO

ISO/TC 206

International Standard

81.060.30  

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 22197-4:2013

NOW

ABANDON
ISO/DIS 22197-4
40.98 Project deleted
Mar 25, 2020