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ISO 22940:2021

Solid recovered fuels — Determination of elemental composition by X-ray fluorescence

Edition date: 2021-08-25
In Force
Available languages: English, French
Summary:

This document specifies the procedure for a determination of major and minor element concentrations in solid recovered fuel material by energy-dispersive X-ray fluorescence (EDXRF) spectrometry or wavelength-dispersive X-ray fluorescence (WDXRF) spectrometry using a calibration with solid recovered fuel reference materials or solid recovered fuel samples with known content. A semiquantitative determination can be carried out using matrix independent standards.

This document is applicable to the following elements: Na, Mg, Al, Si, P, S, Cl, K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Br, Mo, Cd, Sb, Sn, Tl and Pb. Concentration levels between approximately 0,000 1 % and 100 % can be determined depending on the element, the calibration materials used and the instrument used.

NOTE            X-ray fluorescence spectrometry can be used as a fast method for a qualitative overview of elements and impurities and after suitable calibration it is very useful for determining major elements or even minor elements (except Hg) in order to quickly identify increased concentrations of minor elements in solid recovered fuels (SRF), for example during SRF-production.



Le présent document spécifie la méthode de détermination des concentrations d'éléments majeurs et mineurs dans un matériau de combustible solide de récupération par spectrométrie de fluorescence X à dispersion d'énergie (EDXRF) ou par spectrométrie de fluorescence X à dispersion de longueur d'onde (WDXRF) à partir d'un étalonnage avec des matériaux de référence ou des échantillons de combustibles solides de récupération dont la teneur est connue. Une détermination semi-quantitative peut être effectuée en utilisant des étalons ne dépendant pas de la matrice.

Le présent document s'applique aux éléments suivants: Na, Mg, Al, Si, P, S, Cl, K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Br, Mo, Cd, Sb, Sn, Tl et Pb. Il est possible de déterminer des niveaux de concentration de l'ordre de 0,000 1 % et 100 % en fonction de l'élément, des matériaux d'étalonnage employés et du spectromètre utilisé.

NOTE            La spectrométrie de fluorescence X peut être utilisée pour obtenir rapidement une vue générale qualitative des éléments et impuretés et, après un étalonnage approprié, se révèle très utile pour déterminer les éléments majeurs ou même les éléments mineurs (sauf le Hg) afin d'identifier rapidement les concentrations accrues d'éléments mineurs dans les combustibles solides de récupération (CRF) (par exemple, lors de la production de CSR).
ICS: 75.160.10-Solid fuels
CTN: ISO/TC 300 - 5960430

International Equivalence

Identic UNE-EN ISO 22940:2022

Normas Conjuntas

Trabajo conjunto ISO/DIS 2100-6324

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