Characterization of chemical speciation of titanyl sulfate solutions for production of titanium dioxide precipitates
Szilágyi, I., Königsberger, E. and May, P.M. (2009) Characterization of chemical speciation of titanyl sulfate solutions for production of titanium dioxide precipitates. Inorganic Chemistry, 48 (5). pp. 2200-2204.
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Ion association in concentrated aqueous solutions of titanyl sulfate in sulfuric acid has been investigated at 25 °C by Raman spectroscopy under conditions like those used in the preparation of titania nanoparticles. Systematic variation of titanyl (M), sulfate (L), and hydrogen ion concentrations and a detailed quantitative analysis of the spectra reveal that two weak titanyl sulfato complexes (ML and ML2) are formed, with ML predominating. This assignment conflicts with the recent results of Baillon et al. (J. Mol. Liq. 2008, 143, 8−12).
|Publication Type:||Journal Article|
|Murdoch Affiliation:||School of Chemical and Mathematical Science|
|Publisher:||American Chemical Society|
|Copyright:||© 2009 American Chemical Society|
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