Characterization of oxidized surface phases on Vox/ZrO2 catalysts

Article Abstract:

A study was conducted to characterize oxidized surface phases on Vox/ZrO2 catalysts. The zirconia support was made by hydrolysis of zirconium oxychloride with ammonia. The Philips PW 1710 diffractometer was utilized to perform X-ray diffraction analysis. In addition, the XPS spectra was determined with a Leybold-Hereaus LHS 10 spectrometer. Results indicated that increases in the selective catalytic reduction activity of Vox/ZrO2 with the vanadium content correlated with increases in the concentration of polynuclear vanadium species.

Catalysts, Surfaces (Materials), Vanadium, Zirconium oxide, Surfaces (Technology)

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Assignment of the optical transitions in 1,3-diethynylcyclobutadiene(cyclopentadienyl)cobalt oligomers

Article Abstract:

Research into the use of polarized optical absorption and resonance Raman spectroscopy to investigate the visible optical transitions in 1,3-diethynylcyclobutadiene(cyclopentadienyl) cobalt oligomers is discussed.

Research and Development in the Physical, Engineering, and Life Sciences, Chemistry, Analysis, Chemical research, Chemistry, Physical and theoretical, Physical chemistry

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