Table 10 Average surface concentrations for the glassy samples obtained by XPS. Nd is not determined due to measurement limitations as discussed in the text.
From: Structural characterization of uranium and lanthanide loaded borosilicate glass matrix
 | Average surface concentrations [at%] | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Si | Na | O | Zr | B | UIV | UV | UVI | Ba | Ce | Eu | Nd | |
MUCe | 20.4 | 14.6 | 61.2 | 0.4 | 2.9 | 0.08 | 0.03 | 0.12 | 0.18 | 0.11 | Â | n.d. |
MUNd | 15.5 | 11.9 | 70.9 | 0.1 | 1.4 | 0.05 | 0.03 | 0.05 | 0.07 | Â | Â | n.d. |
MUEu | 19.9 | 12.2 | 61.4 | 0.6 | 5.6 | 0.06 | Â | 0.11 | 0.11 | Â | 0.1 | n.d. |
MUCNE | 22.0 | 9.4 | 63.6 | 0.8 | 3.4 | 0.03 | 0.05 | 0.06 | 0.22 | 0.39 | 0.1 | n.d. |