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亚硫酸钆

亚硫酸钆
识别
CAS号 51411-06-4(无水)  checkY
51285-81-5(三水)  checkY
SMILES
 
  • [Gd].O=S(O)O
性质
化学式 Gd2(SO3)3
摩尔质量 554.69 g·mol⁻¹
外观 无色晶体(三水)[1]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

亚硫酸钆是一种无机化合物,化学式为Gd2(SO3)3

制备及性质

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二氧化硫通入钆的氧化物、氢氧化物或碳酸盐的浊液,得到亚硫酸氢钆(Gd(HSO3)3)溶液,将其加热或减压,可以沉淀出亚硫酸钆。[2]

氯化钆和过量亚硫酸钠反应,得到亚硫酸根配盐(Na3[Gd(SO3)3]),它在酸性条件下也能沉淀出亚硫酸钆。[2]

它的三水合物热分解,经无水物得到Gd2O2SO4[3]

参考文献

[编辑]
  1. ^ Hans-Ulrich Hummel , Petra Joerg , Gerhard Pezzei and Alexander Wolski. Die Kristallstruktur von Gadolinium (III)-sulfit Trihydrat Gd2(SO3)3∙ 3H2O. Zeitschrift für Naturforschung B. doi:10.1515/znb-1994-0113.
  2. ^ 2.0 2.1 R. C. Vickery. Lanthanon sulphites and their separation by selective oxidation. Journal of the Chemical Society (Resumed), 1955. 2360-2367. doi:10.1039/JR9550002360.
  3. ^ Moskalenko, V. I.; Varfolomeev, M. B.; Molodkin, A. K.; Petrov, K. I. Gadolinium sulfite crystal hydrates. Zhurnal Neorganicheskoi Khimii (1977), 22(12), 3249-3252.
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亚硫酸钆
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