Multi Element REE-glass (4% each)
Ce, Eu, Ho, Tm
wdx 
edx
thin film 
thin foil
xrf
edx
thin film
thin foil
xrf
Form
Glass
Notes
4 each in E-glass
| Element | WT% |
| Ho | 3.36% |
| Ce | 3.60% |
| Eu | 4.00% |
| Tm | 4.32% |
| Al | 6.94% |
| Ca | 13.73% |
| Si | 23.40% |
| O | 40.66% |
| Compound | WT% |
