Paik, U.
, Lee, M.
, Hackley, V.
and Jung, Y.
(2002),
Dissolution and Reprecipitation of Barium at the Particulate BaTiO<sub>3</sub>-Aqueous Solution Interface, Materials Research Bulletin
(Accessed October 16, 2025)
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Dissolution and Reprecipitation of Barium at the Particulate BaTiO3-Aqueous Solution Interface
Published
Author(s)
U Paik, M Lee, , Y S. Jung
Abstract
The electrolinetic behavior of BaTO3 particles in an aqueous medium exhibit a hysteresis loop with titration direction. As BaTiO3 suspension was titrated toward acidic pH, the amount of Ba2+ dissolution strongly increases, and in the subsequent titration toward alkaline pH, Ba2+ adsorbed and/or reprecipitated on the Ba-depleted BaTiO3 surface. This dissolution-reprecipitation cycle results in the observed hysteresis behavior. An attempt was made to identify the responsible species of the adsorbed/reprecipitated compound by XPS in conjunction with electrokinetic titrations.Citation
Materials Research Bulletin
Volume
37
Pub Type
Journals
Keywords
barium titanate, colloids, dissolution, dynamic nobility, electrokinetic potential, isoelectric point, precipitation, stability, x-ray photoelectron spectroscopy
Citation
Issues
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Created December 31, 2001, Updated October 12, 2021