亞硒酸釹

亞硒酸釹是一種無機化合物，化學式為Nd₂(SeO₃)₃，它的溶度積為(1.5±0.9)×10⁻³²。^[1]它的熱分解經Nd₂SeO₅，最終得到氧化釹。^[2]

製備

它可由弱酸性的氯化釹和亞硒酸鈉在溶液中反應得到。^[3]硝酸釹和二氧化硒在230 °C與水中進行水熱反應，可以得到亞硒酸釹，但反應會同時生成Nd₂(SeO₄)(SeO₃)₂(H₂O)₂。^[4]

^ Aleksandrovich, A. M.; Serebrennikov, V. V. Solubility and solubility products of the selenites and sulfites of the rare earth elements. Tr. Tomskogo Gos. Univ., Ser. Khim. 1962, 154: 105-109.
^ Milagros de Pedro; Renée Enjalbert; Alicia Castro; Jean-Christian Trombe; Jean Galy (1994). Synthesis, Characterization, and Crystal Structure of Nd(HSeO3)(SeO3) · 2H2O. Journal of Solid State Chemistry, 108(1), 87–93. doi:10.1006/jssc.1994.1013.
^ Perkovakaya, Yu. B. Lanthanum, cerium, praseodymium, and neodymium selenites（俄文）. Metody Polucheniya Khimicheskikh Reaktivov i Preparatov, 1967. 16. 116-119. ISSN 0539-5143. CODEN MPRPAT.
^ Yaxing Wang; Huangjie Lu; Xing Dai; et al. Facile and Efficient Decontamination of Thorium from Rare Earths Based on Selective Selenite Crystallization. Inorg. Chem. 2018, 57, 4, 1880–1887. doi:10.1021/acs.inorgchem.7b02681.