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Precipitation kinetics of the titanium isopropoxide hydrolysis reaction
Michigan State University.
1986 (English)In: Better ceramics through chemistry II: symposium held April 15-19, 1986, Palo Alto, California, U.S.A. / [ed] C. Jeffrey Brinker, Materials Research Society, 1986, p. 633-640Conference paper, Published paper (Refereed)
Abstract [en]

The precipitation product of the titanium isopropoxide (TiPT) hydrolysis reaction was followed using photon correlation spectroscopy. This technique followed the mean size of the precipitate as the reaction progressed as well as giving an indication of the number of particles being produced. From this analysis, the induction time for the onset of nucleation, nucleation rate (or the rate of particle production) and mean growth rate were correlated with reactant concentrations. In the concentration ranges studied, the induction time was an inverse function of reactant concentrations. Both nucleation rate and average growth rate increase as reactant concentration increased, with the TiPT concentration being more important. This reaction was also followed using absorbance spectrophotometry in the 500 to 320 nm range. After mixing of the reactants, an absorbance peak was seen between 330 and 335 nm, depending on the conditions. This peak increased slowly during the induction period and then increased rapidly after the onset of nucleation due to increasing turbidity

Place, publisher, year, edition, pages
Materials Research Society, 1986. p. 633-640
Series
Materials Research Society Symposium Proceedings, ISSN 0272-9172 ; 73
National Category
Bioprocess Technology
Research subject
Biochemical Process Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-28731Local ID: 29fd8c70-3ec7-11de-bf5b-000ea68e967bISBN: 0-931837-39-1 (print)OAI: oai:DiVA.org:ltu-28731DiVA, id: diva2:1001935
Conference
Better ceramics through chemistry : 15/04/1986 - 19/04/1986
Note
Upprättat; 1986; 20090512 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Berglund, Kris

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