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Standard
ISO 22928-1
First edition
Rare earth — Analysis by wavelength
2024-02
dispersive x-ray fluorescence
spectrometry (WD-XRFS) —
Part 1:
Determination of composition
of rare earth magnet scrap using
standardless XRF commercial
packages
Terres rares — Analyse par fluorescence X à dispersion de
longueur d’onde (WD-XRF) —
Partie 1: Détermination de la composition des déchets
magnétiques à base de terres rares à l'aide de kits XRF sans
étalon vendus dans le commerce
Reference number
ISO 22928-1:2024(en) © ISO 2024
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ISO 22928-1:2024(en)
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© ISO 2024
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Published in Switzerland
© ISO 2024 – All rights reserved
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ISO 22928-1:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Reagents . 2
5 Apparatus . 2
6 Determined elements and concentration ranges . 3
7 Handling recyclable magnet resources . 3
7.1 Dismantling EOL scrap .3
7.1.1 General .3
7.1.2 Dismantling of components containing rare earth magnets .3
7.2 Demagnetization . .4
7.2.1 General .4
7.2.2 Heat treatment .4
7.2.3 Alternating magnetic fields .4
7.3 Cleaning magnet scrap .
...