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Rare Earth Elemental Analysis
Discover how rare earths elements help move our technology ahead and why spectroscopy is an effective means for characterizing these precious resources.
Rare earth elements (REEs) are essential to strategic industries such as electric mobility, wind energy, aerospace, and defense. As supply chain pressures increase, mining, refining, and recycling activities are accelerating, with stronger requirements for purity, traceability, and process control.
Accurate elemental analysis is critical at every stage, from raw materials to final magnet quality. HORIBA provides a complete range of solutions designed for both industrial laboratories and advanced R&D, ensuring fast and reliable characterization of REE-containing materials.
Due to their complex atomic structures and overlapping emission lines, REEs are particularly challenging to analyze. HORIBA’s high-resolution optics enable precise differentiation of elements such as neodymium and praseodymium.
• The REE Edge: Ideal for liquid samples (digested ores, recycled magnets), ICP-OES supports the monitoring of hydrometallurgical recycling processes and accurate quantification of all 17 REEs.
• Why HORIBA? A unique 1-meter focal length ensures exceptional spectral resolution, allowing clear separation of overlapping peaks without complex corrections.
Learn more about ICP-OES
• The REE Edge: Suitable for coatings and permanent magnets, GD-OES enables fast depth profiling with nanometric resolution, supporting corrosion protection and quality control.
• Why HORIBA? Direct solid analysis without digestion, with pulsed-RF technology for both conductive and non-conductive layers.
Learn more about GD-OES• Instrument: EMIA-Expert (C/S) & EMGA-Expert (O/N/H)
• The REE Edge: Trace light elements (O, N, H, C, S) critically impact magnetic and structural properties. Their control is essential in powders and sintered magnets.
• Why HORIBA? Combustion and fusion analyzers ensure precise detection of interstitial elements, maintaining strict quality levels for high-performance materials.
• Instrument: XGT-9000
• The REE Edge: Used in mining and recycling, Micro-XRF enables non-destructive analysis, material sorting, and elemental mapping at high spatial resolution.
• Why HORIBA? Visualize REE distribution (e.g. Dy, Ce, La) within samples without destruction, supporting both exploration and process optimization.
Learn more about XRF
From raw materials to high-performance magnets, HORIBA provides the analytical clarity needed to secure REE supply chains.
From Raw Materials to Defense-Grade Magnets: Confidence in Every Measurement
Whether in mining, metallurgy, or recycling, our solutions help improve efficiency, ensure product quality, and strengthen supply chain resilience.
Want to explore the topic further?
Discover our e-book, "Rare Earth Elemental Analysis", and learn how advanced analytical technologies support purity control, process optimization, and quality assurance throughout the rare earth value chain.
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