BS ISO 22197-4:2021 PDF

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

First page of standard BS ISO 22197-4:2021

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Title (English):

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.

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 18
Publication date:: July 29, 2021
SKU:: BS ISO 22197-4:2021

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Document language:

enru

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