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Figure 5
(a) Cr K-edge XANES and (b) Fourier transform magnitude of the microporous chromium-substituted aluminophosphate No. 5 (CrAlPO-5) catalyst used for selective oxidation of alkanes and cyclohexylhydroperoxide. (c) Computer graphic representation of the AlPO-5 structure. The as-prepared material contains chromium ions in the III state; when calcined in air to remove the occluded structure-directing organic templates (in this case tetraethylammonium hydroxide), part of the chromium ions are oxidized to oxidation state VI.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 8| Part 2| March 2001| Pages 55-60
doi:10.1107/S090904950001935X
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