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Figure 5
(a) XANES normalized spectra. Catalysts reduced at 673 K in situ with hydrogen and cooled under hydrogen. All samples cooled to liquid-nitrogen temperature prior to scanning. (b) XANES derivative spectra. |
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Figure 5
(a) XANES normalized spectra. Catalysts reduced at 673 K in situ with hydrogen and cooled under hydrogen. All samples cooled to liquid-nitrogen temperature prior to scanning. (b) XANES derivative spectra. |