Formation of Lanthanum Hydroxide and Oxide via Precipitation

Abstract:

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Lanthanum hydroxide and oxide were prepared by the precipitation method in an aqueous medium at room temperature. The precipitate was examined using thermal analysis, X-ray diffraction and Scanning Electron Microscopy to investigate the phase evaluation and the thermal transformation by decomposition. The as-precipitated powder from the precipitation method was hexagonal La(OH)3. The lanthanum hydroxide was decomposed to oxide in two-steps as La(OH)3 → LaOOH + H2O and 2LaOOH → La2O3 + H2O.

Info:

Periodical:

Solid State Phenomena (Volume 135)

Edited by:

Chang Kyu Rhee

Pages:

23-26

DOI:

10.4028/www.scientific.net/SSP.135.23

Citation:

S. J. Kim et al., "Formation of Lanthanum Hydroxide and Oxide via Precipitation", Solid State Phenomena, Vol. 135, pp. 23-26, 2008

Online since:

February 2008

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Price:

$35.00

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