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Normas DIN – AENOR
DIN 52980:2007-11

DIN 52980:2007-11

Photocatalytic activity of surfaces - Determination of photocatalytic activity in aqueous medium by degradation of methylene blue

Photokatalytische Aktivität von Oberflächen - Bestimmung der photokatalytischen Aktivität im wässrigen Medium durch Abbau von Methylenblau

Fecha Anulación:
2018-10 /Withdrawn
Relación con otras normas DIN:

Reemplazada por: DIN 52980:2008-10

Resumen:
This document specifies a method for the determination of photocatalytic activity of surfaces by degradation of methylene blue in aqueous solution using artificial illumination and characterizes the ability of photoactive surfaces to degrade dissolved organic molecules on ultraviolet illumination. This method specified is not applicable to characterizing the photoactivity of surfaces on visible illumination.
Keywords:
Air purification, Catalysis, Chemical properties, Coatings, Construction materials, Definitions, Degradation, Exterior coatings, Materials testing, Measurement, Measuring techniques, Methylene blue, Photochemical reactions, Photochemistry, Self-cleaning, Surfaces
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