DIN EN ISO 24181-1:2025-09
Rare earth - Determination of non-rare earth impurities in individual rare earth metals and their oxides - ICP-AES - Part 1: Analysis of Al, Ca, Mg, Fe and Si (ISO 24181-1:2024); German and English version prEN ISO 24181-1:2025 / Note: Date of issue 2025-08-08
| Fecha de anulación: |
2026-03-01
Anulada
|
|---|---|
| Idiomas disponibles: | Alemán, Inglés |
| Resumen: | This document describes procedures for the determination of non-rare earth impurities in individual rare earth metals and their oxides through the use of inductively coupled plasma atomic emission spectroscopy (ICP-AES). Magnesium (Mg), aluminum (Al), silicon (Si), calcium (Ca) and iron (Fe) are included as non- rare earth impurity elements, and the measurement ranges for each impurity element are specified. The applicable measurement range (mass fraction %) of magnesium, aluminum, silicon and calcium is from 0,001 to 0,2, and that of iron is from 0,001 to 0,5. The verified measurement ranges in the interlaboratory tests are described later in this document. |
| Keywords: | Aluminium|Analysis|Atomic emission spectrometry|Calcium|Definitions|Determination|Impurities|Inductively Coupled Plasma|Iron|Magnesium|Oxides|Rare earth metals|Silicon |
| ICS: | 13.030.30 - Residuos especiales |
| CTN: | |
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Equivalencia Internacional |
Idéntica ISO 24181-1:2024 |
|
Reemplazo Normas |
Es reemplazada por DIN EN ISO 24181-1:2026-03 |
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