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BS EN ISO 22940:2021

BS EN ISO 22940:2021

$189.07

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

Published By Publication Date Number of Pages
BSI 2021 48
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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.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Symbols and abbreviated terms
4.1 Symbols
12 4.2 Abbreviated terms
5 Safety remarks
6 Principle
7 Apparatus
13 8 Interferences and sources of error
9 Sample preparation
9.1 Preparation principles
9.2 Drying of general analysis sample material
14 9.3 Preparation of pressed pellet
10 Procedure
10.1 Analytical measurement conditions
10.1.1 Wavelength-dispersive instruments
15 10.1.2 Energy-dispersive instruments
10.1.3 Intensities and background corrections
16 10.2 Calibration
10.2.1 General
10.2.2 General calibration procedure
17 10.2.3 Calibration procedure using the pressed pellet method (recommended method)
18 10.3 Procedures for correcting matrix effects
10.3.1 General
10.3.2 Internal standard correction using Compton (incoherent) scattering method
10.3.3 Fundamental parameter approach
19 10.3.4 Fundamental or theoretical influence coefficient method
10.3.5 Empirical alpha correction
20 10.4 Analysis of the samples
11 Quality control
11.1 Drift correction procedure
11.2 Reference materials and quality control samples
21 12 Calculation of the result
13 Performance characteristics
14 Test report
22 Annex A (informative) Publicly available solid recovered fuel reference materials
23 Annex B (informative) Validation
46 Bibliography

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BS EN ISO 22940:2021
$189.07