Description
AG-REE-HI | REE Containing Carbonatite Sample | Prepared 32mm XRF Sample Cup
Take your rare earth analysis to the next level with the Alloy Geek Rare Earth Element Reference Material – High, catalogued as AG-REE-HI. Formulated with a concentrated carbonatite matrix and high-purity calcium carbonate, this certified reference material offers a substantial 3.8 wt% LREE concentration—ideal for high-sensitivity instrument calibration and method validation.
Certified under ISO 17034, this material supports calibration for XRF workflows in advanced geochemical, mining, and academic laboratories. The trace and major element profile reflects a representative composition of light rare earth-rich carbonatite deposits.
Key Features:
- ISO 17034 Accredited Reference Material (RM)
- High-Level LREE Content: 3.8 wt% (LREEO: 4.5 wt%)
- Ideal for Method Validation, Calibration, and QA/QC
- Compatible with XRF
- Packaged and Ships from the USA
Applications:
- Instrument calibration for rare earth quantification
- Development and validation of analytical methods
- Quality control in mineral and geochemical laboratories
- Academic research involving high-grade REE samples
Certified Composition:
Major Elements (wt% and Oxide Equivalents):
| Element | wt% | Oxide | wt% |
|---|---|---|---|
| Al | 0.18 | Al₂O₃ | 0.33 |
| Ba | 8.9 | BaO | 9.9 |
| Ca | 23.7 | CaO | 33.1 |
| Ce | 1.9 | CeO₂ | 2.30 |
| Fe* | 0.93 | Fe₂O₃ | 1.3 |
| K | 0.093 | K₂O | 0.110 |
| La | 1.3 | La₂O₃ | 1.5 |
| Mg | 1.8 | MgO | 3.0 |
| Mn | 0.18 | MnO | 0.23 |
| Nd | 0.45 | Nd₂O₃ | 0.52 |
| P | 0.13 | P₂O₅ | 0.30 |
| Pr | 0.16 | Pr₆O₁₁ | 0.2 |
| S | 2.7 | SO₃ | 6.6 |
| Si | 3.3 | SiO₂ | 7.2 |
| Sr | 1.6 | SrO | 1.90 |
| Ti | 0.012 | TiO₂ | 0.021 |
| LREE | 3.8 | LREEO | 4.5 |
*Iron reported as Fe₂O₃ (ferric oxide equivalent)
LREE: Light Rare Earth Elements total
LREEO: Total as Oxides
Loss on Ignition (LOI): 30.4 wt% (110 °C to 1000 °C)
Trace Elements (mg/kg):
| Element | Value (mg/kg) | Element | Value (mg/kg) | Element | Value (mg/kg) |
|---|---|---|---|---|---|
| Dy | 25 | Pb | 1990 | Th | 127 |
| Eu | 50 | Rb | 3.8 | U | 17 |
| Ho | 3.3 | Sc | 5.7 | Y | 89 |
| Lu | 0.60 | Sm | 303 | Yb | 4.1 |
| Nb | 23 |
Produced to ISO 17034 with ISO/IEC 17025 Accredited Chemical Testing in an ISO 9001 Certified Quality Management System.
Available as powder pressed into a 32mm sample cup. XRF Film provided is 6um XRF grade polypropylene. End user may swap film to the film of their liking. Amount of sample: 10g.