Conclusions
The heating of the hydrates of the trisacetylacetonates of heavy rare-earth elements under vacuum in an atmosphere saturated with dry acetylacetone vapor leads to the sublimation of the anhydrous acetylacetonates and, in a number of cases, their hydrated or hydrolyzed forms. The light rare-earth elements do not form compounds which sublime under these conditions. In the series of rare-earth elements of the yttrium subgroup the yield of the sublimate, which is insignificant for dysprosium, increases to 100% in lutetium and ytterbium.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1207–1211, June, 1984.
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Martynenko, L.I., Murav'eva, I.A., Khalmurzaev, N.K. et al. Production of volatile trisacetylacetonates of rare-earth elements by heating their hydrates. Russ Chem Bull 33, 1107–1111 (1984). https://doi.org/10.1007/BF00948969
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DOI: https://doi.org/10.1007/BF00948969