lanthanan.

/ˈlanθənə/

Etymology: < lanthan- (in lanthanum n.) + -a, after alumina, magnesia, thoria, etc.

Chemistry.

Lanthanum oxide, La₂O₃, a white powder.

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the world > matter > chemistry > elements and compounds > metals > specific elements > lanthanum > [noun] > compounds

lanthana1887

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.

This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2021).

单词	lanthana
释义	lanthanan. /ˈlanθənə/ Etymology: < lanthan- (in lanthanum n.) + -a, after alumina, magnesia, thoria, etc. Chemistry. Lanthanum oxide, La₂O₃, a white powder. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > lanthanum > [noun] > compounds lanthana1887 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. This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2021). < n.1887
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