亚硒酸钕
化合物
亚硒酸钕是一种无机化合物,化学式为Nd2(SeO3)3,它的溶度积为(1.5±0.9)×10−32。[1]它的热分解经Nd2SeO5,最终得到氧化钕。[2]
亚硒酸钕 | |
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识别 | |
CAS号 | 18810-95-2 |
性质 | |
化学式 | Nd2(SeO3)3 |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
制备
编辑它可由弱酸性的氯化钕和亚硒酸钠在溶液中反应得到。[3]硝酸钕和二氧化硒在230 °C与水中进行水热反应,可以得到亚硒酸钕,但反应会同时生成Nd2(SeO4)(SeO3)2(H2O)2。[4]
参考文献
编辑- ^ 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.