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Figure 10
Ni K-edge FT-EXAFS spectra of the NiMo/C (b, c) and NiMo(0.4) (d, e) catalysts measured using the high-pressure chamber with different types of X-ray windows. X-ray absorption spectra were measured at ambient temperature after sulfiding pretreatment at 613 K and 0.1 MPa (NiMo/C) or 1.1 MPa [NiMo(0.4)]. The FT-EXAFS spectrum of Ni K-edge k3χ(k) of the NiMo/C taken from Louwers & Prins (1992BB22) is also shown as a reference (a). (b) Beryllium windows; FT range = 40.0–120 nm−1. (c) PBI windows; FT range = 39.5–150 nm−1. (d) Beryllium windows; FT range = 40.0–109 nm−1. (e) PBI windows; FT range = 39.5–146 nm−1.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 17| Part 3| March 2010| Pages 414-424
doi:10.1107/S0909049510004802
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