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Glass Compositions
Below is a compilation of the REE data for the individual glasses including EPMA, ICP, AA etc analyses.
Major Element Analysis (EPMA,ICP,AA,UV etc)
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SIMS Trace Element Analyses
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Analytical Conditions
Analytical Conditions for EPMA
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Analytical Conditions for SIMS
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Analytical Conditions for Wet Chemical analysis
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Analytical Conditions for ICP-AES
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Analytical Conditions for LA-ICP-MS
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Suggested Composition (November 2007)
RARE EARTH ELEMENT CONCENTRATIONS AS OXIDE WT%
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| 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 |
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| ALUMINIUM
CONCENTRATION AS OXIDE WT% |
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| 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 |
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| SILICON
CONCENTRATION AS OXIDE WT% |
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| 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 |
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| CALCIUM
CONCENTRATION AS OXIDE WT% |
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| 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 |
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