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A series of spinel-type Fe–V–O phases were prepared with V/Fe atomic ratios ranging from 0 to 1 and were used for methanol oxidation to formaldehyde. X-ray powder diffraction shows that the basic spinel-type structure is retained after use of the samples in methanol oxidation. Compared with the freshly prepared samples, in- and ex situ analyses of the samples with XANES show that both V and Fe are...
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