Formation of Lanthanum Hydroxide and Oxide via Precipitation |
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| Journal | Solid State Phenomena (Volume 135) |
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| Volume | Nanocomposites and Nanoporous Materials VIII |
| Edited by | Chang Kyu Rhee |
| Pages | 23-26 |
| DOI | 10.4028/www.scientific.net/SSP.135.23 |
| Citation | So Jin Kim et al., 2008, Solid State Phenomena, 135, 23 |
| Online since | February, 2008 |
| Authors | So Jin Kim, Won Kyu Han, Sung Goon Kang, Min Su Han, Young Hun Cheong |
| Keywords | La(OH)3, La2O3, Precipitation, TG/DTA, X-Ray Diffraction (XRD) |
| Abstract | 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. |
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