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Normas DIN – AENOR
DIN EN 16980-1:2020-04

DIN EN 16980-1:2020-04

Photocatalysis - Continuous flow test methods - Part 1: Determination of the degradation of nitric oxide (NO) in the air by photocatalytic materials; German and English version prEN 16980-1:2020 / Note: Date of issue 2020-03-20*Intended as replacement for DIN CEN/TS 16980-1 (2017-03).

Photocatalyse - Méthodes d'essai en flux continu - Partie 1: Mesure de la dégradation du monoxyde d'azote (NO) dans l'air par un matériau photocatalytique; Version allemande et anglaise prEN 16980-1:2020 / Attention: Date de parution 2020-03-20*Prévu pour remplacer DIN CEN/TS 16980-1 (2017-03).

Photokatalyse - Prüfverfahren mit kontinuierlichem Durchfluss - Teil 1: Bestimmung des Abbaus von Stickstoffmonoxid (NO) aus der Luft durch photokatalytische Werkstoffe; Deutsche und Englische Fassung prEN 16980-1:2020 / Achtung: Erscheinungsdatum 2020-03-20*Vorgesehen als Ersatz für DIN CEN/TS 16980-1 (2017-03).

Fecha:
2020-04 /Active
Equivalencias internacionales:

prEN 16980-1 (2020-03)

Resumen:
This document describes a method for assessing the performance of photocatalytic inorganic materials contained in cement mortars and/or limes or ceramic-based matrices, paints or materials deposited as thin films or coatings on a variety of substrates for the photocatalytic abatement of nitric oxide in the gas phase. This method is not suitable for the assessment of samples to be applied with flow perpendicular to the surface or flow permeating the surface itself as polymeric and paper filters, honeycomb structures and suchlike. The performance for the photocatalytic sample under test is evaluated by measuring the degradation rate of nitric oxide (NO) using the method described herein. The photocatalytic abatement rate is calculated from the observed rate by eliminating the effects of mass transfer. The intrinsic photocatalytic abatement rate is an intrinsic property of the material tested and makes it possible to distinguish the photocatalytic activities of various products with an absolute scale defined with physical and engineering meaning. For the measurements and calculations described in this standard the concentration of nitrogen oxides (NOx) is defined as the stoichiometric sum of nitric oxide (NO) and nitrogen dioxide (NO2).
Keywords:
Cement mortar, Coatings, Definitions, Degradation, Evaluations, Inorganic compounds, Materials, Measurement, Measuring techniques, Nitric oxide, Nitrogen oxides, Photocatalysis, Reduction
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