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International standards apply only in English.

ISO 22197-4:2021

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

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

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Designation
Title Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for air-purification performance of semiconducting photocatalytic materials — Part 4: Removal of formaldehyde
Effective date 05.07.2021
Status Replaces
Source of status information Каталог on-line 7-2021
Type of document ИСО - International Standards
ICS 81.060.30 Advanced ceramics
Replaced ISO 22197-4:2013
Number of pages 16