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Figure 5
Ni K-edge k3χ(k) of fresh-g (a) and spent (b) catalysts and their Fourier transforms in the k range indicated by kmin and kmax (c), (d). (a), (c) X-ray absorption spectrum measured at ambient temperature after sulfiding pretreatment at 613 K and 1.1 MPa using the high-pressure chamber. (b), (d) X-ray absorption spectrum measured under high-pressure H2 atmosphere (∼1.0 MPa) after rinsing with toluene in a glove box filled with N2.

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SYNCHROTRON
RADIATION
ISSN: 1600-5775
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