A titanium sulfate formula is an inorganic compound that is prepared by fuming sulfuric acid treatment of titanium dioxide. It hydrolyzes to a gel of hydrated titanium dioxide, which is a precursor for the synthesis of a variety of TiO2 photocatalysts.
Titanium sulfate is used in a wide range of industries including chemical, petroleum and metals production. It can be found in paints, coatings, ceramics and plastics. It has a high whiteness and brilliance and is highly resistant to heat, light and weathering. It is also a photocatalytic material that scatters and absorbs UV radiation, preventing degradation of paints and in films.
In a technical scale, titanium sulfate is used as a reducing agent in industrial reduction processes. It is especially suited as a reducing agent for electrolytic reduction of trivalent and tetravalent titanium in the synthesis of metatitansaure and TiO2 for use as white pigments.
The IR spectra of samples obtained during the thermal decomposition of titanium nitrate at different temperatures show intense absorption bands around 1384 cm-1 and 1100-400 cm-1, which are related to the vibrations of titanium ions. In addition, a narrow band at 700 degC in the same range shows peaks of oxidation spectra due to fluorine ions.
The morphological features of the powder particles depended on the precursor and decomposition conditions, as well as on additive OP9. In case of titanium oxifluoride precursor with a higher proportion of additive OP9, compaction started at 1000 degC and took place in a narrow temperature range, which resulted in low dispersity of particles’ dimensions. In contrast, in case of titanium oxysulfide precursor with a lower proportion of additive OP9, compaction did not start until 740 degC and was more extensive.
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