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磷酸氢锆

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磷酸氢锆
识别
CAS号 13772-29-7(无水)  checkY
13933-56-7(一水,α)  checkY
性质
化学式 H2O8P2Zr
摩尔质量 283.18 g·mol−1
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

磷酸氢锆是一种无机化合物,化学式为Zr(HPO4)2,其一水合物可简写为α-ZrP。它可由氯化氧锆在盐酸(2 M)和磷酸(4 M)的混合溶液中反应制得。[1]它在600 °C分解为ZrP2O7[2]

同分异构体

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Zr(HPO4)2存在一种同分异构体,ZrPO4(H2PO4),它的二水合物(γ-ZrP,CAS RN:13772-31-1 )可由氧氯化锆和磷酸二氢铵在8 M氢氟酸中反应,所得固体再和1 M盐酸反应得到。[3]

参考文献

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  1. ^ Robert C.T. Slade; James A. Knowles; Deborah J. Jones; Jacques Rozière (1997). The isomorphous acid salts α-Zr(HPO4)2 · H2O, α-Ti(HPO4)2 · H2O and α-Zr(HAsO4)2 · H2O Comparative thermochemistry and vibrational spectroscopy. Solid State Ionics, 96(1-2), 9–19. doi:10.1016/s0167-2738(97)00012-x
  2. ^ Lukáš Ondrák; et al. Preparation and characterization of α-zirconium phosphate as a perspective material for separation of 225Ac and 213Bi. Journal of Radioanalytical and Nuclear Chemistry, 2023. 332. 1475-1481. doi:10.1007/s10967-022-08682-7.
  3. ^ G. Alberti; M.G. Bernasconi; M. Casciola (1989). Preparation of γ-zirconium phosphate microcrystals with high degree of crystallinity and proton conductivity of their hydrogen and ammonium forms. Reactive Polymers, 11, 245–252. doi:10.1016/0923-1137(89)90110-3