lanthana Chem.
(ˈlænθənə)
[f. lanthanum + -a, after alumina, magnesia, thoria, etc.]
Lanthanum oxide, La2O3, a white powder.
| 1887 Chem. News 12 Aug. 62/1 A specimen of white lanthana prepared by myself some years ago..on being strongly calcined, became of a fawn colour. 1917 H. F. V. Little in J. N. Friend Text-bk. Inorg. Chem. IV. 406 Lanthanum sesquioxide or lanthana, La2O3, is obtained as a white powder by the ignition of the hydroxide, carbonate, nitrate, oxalate, etc. 1961 W. K. Anderson in Spedding & Daane Rare Earths xxii. 565 Use of ceria, yttria, and lanthana as diluents for oxide fuel bodies is a promising developmental area. |