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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Standards [CURRENT]

ISO 22197-4
Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials - Part 4: Removal of formaldehyde

Title (German)

Hochleistungskeramik - Prüfverfahren zur Bestimmung des Luftreinigungsvermögens von halbleitenden photokatalytischen Werkstoffen - Teil 4: Entfernung von Formaldehyd