Multi Element REE-glass (4% each)
Y, Pr, Dy, Er
wdx 
edx
thin film 
thin foil
xrf
edx
thin film
thin foil
xrf
Form
Glass
Notes
4 each in E-glass
| Element | WT% |
| Y | 3.78% |
| Pr | 3.92% |
| Dy | 4.07% |
| Er | 4.42% |
| Al | 6.38% |
| Ca | 14.25% |
| Si | 22.86% |
| O | 40.32% |
| Compound | WT% |
