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Figure 5
Change in the Co—O bond distances for Co/SiO2 (closed squares), Co-TEG(0.125)/SiO2 (open triangles) and Co-TEG(0.25)/SiO2 (open circles) during heat treatment in a flow of 20% O2/He. The Co—O bond distances were determined by curve-fitting analysis using Co K-edge FT-EXAFS illustrated in Figs. 4[link] and 6[link]. This figure also illustrates the change in partial pressure of CO2 monitored by on-line MS spectroscopy (m/z = 44) during the in situ experiment of Co-TEG(0.25)/SiO2.

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