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Identifiers | |||
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3D model (JSmol)
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EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |||
Tb2(C2O4)3 | |||
Appearance | white solid, green under ultraviolet light (decahydrate)[1] | ||
Hazards | |||
GHS labelling:[2] | |||
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Danger | |||
H302, H312, H318 | |||
P264, P264+P265, P270, P280, P301+P317, P302+P352, P305+P354+P338, P317, P321, P330, P362+P364, P501 | |||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa).
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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·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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