草酸钬是钬的草酸盐,化学式为Ho2(C2O4)3,存在无水物和水合物。它的十水合物受热分解得到二水合物,继续加热得到无水物,并最终得到氧化钬[2]它和盐酸反应得到H[Ho(C2O4)2]·6H2O。[3]

草酸钬
识别
CAS号 3269-15-6  checkY
SMILES
 
  • [Ho+3].[Ho+3].[O-]C(=O)C(=O)[O-].[O-]C(=O)C(=O)[O-].[O-]C(=O)C(=O)[O-]
性质
化学式 Ho2(C2O4)3
外观 黄色晶体(七水)[1]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

参考文献

  1. ^ Basharat Want, Feroz Dar. Growth and Characterization of Holmium Oxalate Heptahydrate Crystals. Journal of Crystallization Process and Technology. 2012, 02 (04): 137–141 [2020-10-11]. ISSN 2161-7678. doi:10.4236/jcpt.2012.24019. 
  2. ^ Wendlandt, W. W. Thermal Decomposition of Rare Earth Metal Oxalates. Analytical Chemistry. 1959, 31 (3): 408–410. ISSN 0003-2700. doi:10.1021/ac60147a024. 
  3. ^ 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.