Email this article Aging of titania hydrosols prepared via ultrasonic processing
- Authors: Soderzhinova M.M.1, Tarasova D.V.1, Chibirova F.K.1
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Affiliations:
- State Research and Design Institute for the Rare-Metals Industry
- Issue: Vol 52, No 5 (2016)
- Pages: 470-475
- Section: Article
- URL: https://journals.rcsi.science/0020-1685/article/view/157550
- DOI: https://doi.org/10.1134/S0020168516050162
- ID: 157550
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Abstract
We have studied the effect of aging conditions on the properties of titania hydrosols produced via ultrasonic processing and containing aggregates of 5-nm-diameter amorphous particles. The results demonstrate that, at room-temperature, 0.44 M to 0.11 M hydrosols are stable for 3 to 22 days. During aging for 40 to 45 days, the properties of 0.01 M to 0.0025 M hydrosols remain unchanged. Aging for a longer time causes the amorphous particles to crystallize in the anatase structure. Raising the temperature to 75°C reduces the induction time to 3–4 h.
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About the authors
M. M. Soderzhinova
State Research and Design Institute for the Rare-Metals Industry
Author for correspondence.
Email: soderginova@rambler.ru
Russian Federation, Bol’shoi Tolmachevskii per. 5/1, Moscow, 119017
D. V. Tarasova
State Research and Design Institute for the Rare-Metals Industry
Email: soderginova@rambler.ru
Russian Federation, Bol’shoi Tolmachevskii per. 5/1, Moscow, 119017
F. Kh. Chibirova
State Research and Design Institute for the Rare-Metals Industry
Email: soderginova@rambler.ru
Russian Federation, Bol’shoi Tolmachevskii per. 5/1, Moscow, 119017
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