Figure 12From: Structural characterization of vanadium oxide catalysts supported on nanostructured silica SBA-15 using X-ray absorption spectroscopyV K edge XANES spectra (a) and FT(χ(k)*k3) of hydrated V x O y /SBA-15 (10.8 wt %) compared to those of various references (i.e. V 2 O 5 , [H 3 N(CH 2 ) 4 ] 6 V 10 O 28 , and MgV 2 O 6 ).Back to article page