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丙二酸镧

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丙二酸镧
识别
CAS号 25418-29-5(无水)  checkY
16072-42-7(五水)  checkY
SMILES
 
  • [La+3].[La+3].[O-]C(=O)CC(=O)[O-].[O-]C(=O)CC(=O)[O-].[O-]C(=O)CC(=O)[O-]
性质
化学式 La2(C3H2O4)3
外观 晶体
溶解性 难溶[1]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

丙二酸镧是镧的丙二酸盐,化学式为La2(C3H2O4)3,它可由丙二酸硝酸镧的水合物反应得到。[2]其五水合物具有[La2(H2O)3](C3H2O4)3·2H2O的结构[3],它受热分解,逐步脱水后得到氧化镧[4]

参考文献

[编辑]
  1. ^ Brzyska, Wanda; Hubicki, Wlodzimierz. Solubility of lanthanide salts of alkanedicarboxylic acids. I. Malonates. Annales Universitatis Mariae Curie-Sklodowska, Sectio AA: Physica et Chemia, 1968. 23: 57-64. ISSN: 0365-1193.
  2. ^ Varghese Mathew, Sabu Jacob, Lizymol Xavier, K.E. Abraham. Spectroscopic studies of gel-grown lanthanum malonate crystals. Journal of Rare Earths. 2012-03, 30 (3): 245–249 [2020-10-12]. doi:10.1016/S1002-0721(12)60039-8. (原始内容存档于2018-06-23) (英语). 
  3. ^ Marrot F, Trombe J C. Preparation and structural study of lanthanum malonate [La2(H2O)3](C3H2O4)3·2H2O. Comptes Rendus de l'Academie des Sciences. Serie 2, 1993, 317(3): 319-324. (网页页面存档备份,存于互联网档案馆) / 存档
  4. ^ Azikov, B. S.; Serebrennikov, V. V. Thermogravimetric study of thermolysis of rare earth elements, yttrium, and scandium malonates and succinates. Zhurnal Neorganicheskoi Khimii, 1967. 12 (2): 445-449. ISSN: 0044-457X.
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