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)

Document
Results (279.5 KB / XLS)
SIMS trace element analyses
Document
SIMS Results (19.5 KB / XLS)

 

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)
Document
ICP Conditions (20.96 KB / PDF)
Analytical conditions for the Laser Ablation Induced Coupled-Plasma Mass Spectrometry (LA-ICP-MS)
Document

 

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