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Terbium(III) oxalate is the oxalate of terbium with the chemical formula Tb2(C2O4)3. Its decahydrate can be obtained by reacting terbium(III) chloride and oxalic acid in an aqueous solution.[1] Its decahydrate gradually loses water when heated and becomes anhydrous. Continued heating obtains terbium(III,IV) oxide.[3] It decomposes in isolation from air to form terbium(III) oxide. The decomposed gas products are carbon monoxide and carbon dioxide.[1] It reacts with hydrochloric acid to obtain H[Tb(C2O4)2]·6H2O.[4]
References
- ^ a b c Alexander, Dinu; Thomas, Kukku; Sisira, S.; Biju, P.R.; Unnikrishnan, N.V.; Ittyachen, M.A.; Joseph, Cyriac (January 2018). "Synthesis and optical characterization of sub-5 nm Terbium oxalate nanocrystals: A novel intense green emitting phosphor". Dyes and Pigments. 148: 386–393. doi:10.1016/j.dyepig.2017.09.029.
- ^ "Diterbium trioxalate". pubchem.ncbi.nlm.nih.gov. Retrieved 7 March 2024.
- ^ Wendlandt, W. W. (1959). "Thermal Decomposition of Rare Earth Metal Oxalates". Analytical Chemistry. 31 (3): 408–410. doi:10.1021/ac60147a024. ISSN 0003-2700.
- ^ Moebius, R.; Matthes, F. The exchange of oxalate ions for chloride ions of the oxalate hydrates of the rare earths and yttrium. Zeitschrift fuer Chemie, 1964. 4 (6): 234-235. ISSN: 0044-2402.
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