REE glass compositions
We have provided a compilation of the REE data for the individual glasses including EPMA, ICP, and AA analyses.
The data is available via Excel download:
Major element analysis (EPMA, ICP, AA, UV) |
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SIMS trace element analyses |
Analytical conditions
Information on analytical conditions is available via PDF which can be downloaded:
Analytical conditions for the Electron Microprobe (EPMA) | |
Analytical conditions for the Secondary Ion Mass Spectrometry (SIMS) | |
Analytical conditions for wet chemical analysis: Atomic Absorption (AA) Spectroscopy and UV Assay (UV) | |
Analytical conditions for the Induced Coupled-Plasma Atomic Emission Spectroscopy (ICP-AES) | |
Analytical conditions for the Laser Ablation Induced Coupled-Plasma Mass Spectrometry (LA-ICP-MS) |
Suggested composition
(November 2007)
RARE EARTH ELEMENT CONCENTRATIONS AS OXIDE WT% | |||
Glass | AVG | Min | Max |
Y | 12.9 | 11.41 | 13.96 |
La | 16.2 | 15.30 | 17.90 |
Ce | 18.1 | 14.89 | 19.84 |
Pr | 16.1 | 15.28 | 16.74 |
Nd | 16.7 | 15.00 | 17.84 |
Sm | 20.2 | 19.13 | 21.97 |
Eu | 22.8 | 19.38 | 25.41 |
Gd | 20.5 | 19.47 | 20.99 |
Tb | 22.2 | 21.66 | 22.64 |
Dy | 21.0 | 20.29 | 22.33 |
Ho | 21.0 | 19.63 | 22.23 |
Er | 21.3 | 19.13 | 22.48 |
Tm | 24.5 | 21.10 | 27.07 |
Yb | 22.1 | 21.12 | 23.16 |
Lu | 22.1 | 20.96 | 23.70 |
ALUMINIUM CONCENTRATION AS OXIDE WT% | |||
Glass | AVG | Min | Max |
Y | 12.5 | 11.92 | 12.85 |
La | 10.4 | 10.00 | 10.99 |
Ce | 9.9 | 9.72 | 10.16 |
Pr | 11.2 | 10.65 | 11.70 |
Nd | 10.4 | 10.16 | 10.63 |
Sm | 11.5 | 10.92 | 11.80 |
Eu | 13.0 | 12.00 | 13.69 |
Gd | 11.8 | 11.08 | 12.27 |
Tb | 11.6 | 10.96 | 12.34 |
Dy | 11.8 | 10.89 | 12.42 |
Ho | 11.4 | 10.85 | 11.72 |
Er | 11.7 | 10.96 | 12.36 |
Tm | 13.4 | 12.04 | 14.41 |
Yb | 11.4 | 10.78 | 11.80 |
Lu | 11.6 | 10.78 | 12.64 |
SILICON CONCENTRATION AS OXIDE WT% | |||
Glass | AVG | Min | Max |
Y | 52.0 | 51.80 | 52.13 |
La | 55.9 | 55.67 | 56.10 |
Ce | 53.3 | 53.26 | 53.35 |
Pr | 54.1 | 53.32 | 54.90 |
Nd | 54.3 | 54.15 | 54.44 |
Sm | 48.7 | 47.86 | 49.48 |
Eu | 41.0 | 40.35 | 41.68 |
Gd | 47.6 | 47.57 | 47.64 |
Tb | 46.0 | 44.95 | 47.03 |
Dy | 47.2 | 47.17 | 47.25 |
Ho | 46.4 | 45.72 | 47.04 |
Er | 45.7 | 44.38 | 47.04 |
Tm | 36.4 | 35.43 | 37.32 |
Yb | 47.1 | 46.47 | 47.64 |
Lu | 46.6 | 46.30 | 46.93 |
CALCIUM CONCENTRATION AS OXIDE WT% | |||
Glass | AVG | Min | Max |
Y | 21.0 | 20.89 | 21.07 |
La | 16.8 | 16.12 | 17.63 |
Ce | 16.2 | 15.94 | 16.76 |
Pr | 17.8 | 17.00 | 18.24 |
Nd | 16.9 | 16.15 | 17.46 |
Sm | 19.1 | 18.62 | 19.58 |
Eu | 21.9 | 21.60 | 22.21 |
Gd | 19.4 | 19.10 | 19.81 |
Tb | 19.2 | 18.27 | 19.65 |
Dy | 18.8 | 18.13 | 19.29 |
Ho | 19.0 | 18.79 | 19.42 |
Er | 19.4 | 18.30 | 20.11 |
Tm | 22.3 | 21.17 | 22.79 |
Yb | 19.1 | 18.83 | 19.74 |
Lu | 19.3 | 18.58 | 20.69 |