Literature DB >> 19235979

Characterization of chemical speciation of titanyl sulfate solutions for production of titanium dioxide precipitates.

István Szilágyi1, Erich Königsberger, Peter M May.   

Abstract

Ion association in concentrated aqueous solutions of titanyl sulfate in sulfuric acid has been investigated at 25 degrees 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 ML(2)) are formed, with ML predominating. This assignment conflicts with the recent results of Baillon et al. (J. Mol. Liq. 2008, 143, 8-12).

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Year:  2009        PMID: 19235979     DOI: 10.1021/ic801722r

Source DB:  PubMed          Journal:  Inorg Chem        ISSN: 0020-1669            Impact factor:   5.165


  3 in total

1.  Study on the grain size control of metatitanic acid in a mixture acid system based on Arrhenius and Boltzmann fitting.

Authors:  Ming Tian; Yahui Liu; Wei Zhao; Weijing Wang; Lina Wang; Desheng Chen; Hongxin Zhao; Fancheng Meng; Yulan Zhen; Tao Qi
Journal:  RSC Adv       Date:  2020-01-06       Impact factor: 4.036

2.  Effects of Structural Factors of Hydrated TiO2 on Rutile TiO2 Pigment Preparation via Short Sulfate Process.

Authors:  Congxue Tian
Journal:  Sci Rep       Date:  2020-05-14       Impact factor: 4.379

3.  New insights for titanium(iv) speciation in acidic media based on UV-visible and 31P NMR spectroscopies and molecular modeling.

Authors:  Lucas Mangold; Hubert Halleux; Sébastien Leclerc; Aurélien Moncomble; Gérard Cote; Alexandre Chagnes
Journal:  RSC Adv       Date:  2021-08-09       Impact factor: 4.036

  3 in total

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