Figure 8
From: Glass/steel/clay interactions in a simulated radioactive waste geological disposal system

(a, b) The Ca region (a) of the XPS spectrum is shown for sample G-Ref and G-1 M (blue line—G-Ref, brown line—G-1 M) and detected XPS spectra for the Ba region (b) can be observed for both G-Ref and G-1 M sample (pink line—Ref, green line G-1 M).