磷酸铕

磷酸铕
识别
CAS号	13537-10-5; 15259-63-9（半水）; 34377-51-0（二水）; 49836-68-2（三水）
PubChem	6365242
SMILES	[O-]P(=O)I([O-])[O-].[Eu3+];
EC编号	236-901-2
性质
化学式	EuO4P
摩尔质量	246.94 g·mol−1
外观	无色固体
密度	5.81 g·cm-3
熔点	2200 °C
溶解性（水）	不溶
结构
晶体结构	独居石
空间群	P21/n (No. 14)
晶格常数	a = 668.13(10), b = 686.18(9), c = 634.91(8) pm
晶格常数	α = 90°, β = 103.96(1)°, γ = 90°
热力学
热容	111.5 J/mol·K
	若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

磷酸铕是铕的一种磷酸盐，化学式 EuPO₄。其它铕的磷酸盐包括磷酸铕(II)（Eu₃(PO₄)₂）和磷酸铕(II,III)（Eu₃Eu(PO₄)₃）。^[7]

制备

磷酸铕可以由氧化铕的溶胶凝胶方法而成。首先，将氧化铕溶解在等摩尔量的硝酸中，然后加入过量的10%磷酸。过程还需添加氨水以将pH调节至4并形成凝胶，然后用水洗涤并加热至1200 ℃一天。^[5]^[6]

参考资料

^ Macintyre, J. E.; Chapman and Hall. Dictionary of inorganic compounds. London: Chapman & Hall. 1992: 3124. ISBN 0-412-30120-2. OCLC 26338506.
^ ^2.0 ^2.1 Ni, Yunxiang; Hughes, John M.; Mariano, Anthony N. Crystal chemistry of the monazite and xenotime structures. American Mineralogist (Mineralogical Society of America). 1995-02-01, 80 (1-2): 21–26. ISSN 0003-004X. doi:10.2138/am-1995-1-203.
^ Hughes, John M.; Kohn, Matthew J.; Rakovan, John. Phosphates : Geochemical, Geobiological and Materials Importance. Berlin. 2018: 91. ISBN 978-1-5015-0963-6. OCLC 1083603252.
^ Europium Phosphate – ProChem, Inc.. prochemonline.com （美国英语）. （页面存档备份，存于互联网档案馆）存档副本. [2022-06-24]. 原始内容存档于2021-06-22.
^ ^5.0 ^5.1 Popa, K.; Konings, R.J.M. High-temperature heat capacities of EuPO4 and SmPO4 synthetic monazites. Thermochimica Acta (Elsevier BV). 2006, 445 (1): 49–52. ISSN 0040-6031. doi:10.1016/j.tca.2006.03.023.
^ ^6.0 ^6.1 Gavrichev, K. S.; Ryumin, M. A.; Tyurin, A. V.; Gurevich, V. M.; Komissarova, L. N. The heat capacity and thermodynamic functions of EuPO4 over the temperature range 0–1600 K. Russian Journal of Physical Chemistry A (Pleiades Publishing Ltd). 2009, 83 (6): 901–906. ISSN 0036-0244. doi:10.1134/s0036024409060053.
^ Grunwald, Waldemar; Wittich, Knut; Glaum, Robert. Anhydrous Europium Phosphates: A Comprehensive Report on Syntheses, Crystal Structures, and Phase Relations. Zeitschrift für anorganische und allgemeine Chemie (Wiley). 2018-08-06, 644 (22): 1403–1414. ISSN 0044-2313. doi:10.1002/zaac.201800193.

[1] Macintyre, J. E.; Chapman and Hall. Dictionary of inorganic compounds. London: Chapman & Hall. 1992: 3124. ISBN 0-412-30120-2. OCLC 26338506.

[Yunxiang-2] 2.0 ^2.1 Ni, Yunxiang; Hughes, John M.; Mariano, Anthony N. Crystal chemistry of the monazite and xenotime structures. American Mineralogist (Mineralogical Society of America). 1995-02-01, 80 (1-2): 21–26. ISSN 0003-004X. doi:10.2138/am-1995-1-203.

[3] Hughes, John M.; Kohn, Matthew J.; Rakovan, John. Phosphates : Geochemical, Geobiological and Materials Importance. Berlin. 2018: 91. ISBN 978-1-5015-0963-6. OCLC 1083603252.

[4] Europium Phosphate – ProChem, Inc.. prochemonline.com （美国英语）. （页面存档备份，存于互联网档案馆）存档副本. [2022-06-24]. 原始内容存档于2021-06-22.

[:0-5] 5.0 ^5.1 Popa, K.; Konings, R.J.M. High-temperature heat capacities of EuPO4 and SmPO4 synthetic monazites. Thermochimica Acta (Elsevier BV). 2006, 445 (1): 49–52. ISSN 0040-6031. doi:10.1016/j.tca.2006.03.023.

[:1-6] 6.0 ^6.1 Gavrichev, K. S.; Ryumin, M. A.; Tyurin, A. V.; Gurevich, V. M.; Komissarova, L. N. The heat capacity and thermodynamic functions of EuPO4 over the temperature range 0–1600 K. Russian Journal of Physical Chemistry A (Pleiades Publishing Ltd). 2009, 83 (6): 901–906. ISSN 0036-0244. doi:10.1134/s0036024409060053.

[7] Grunwald, Waldemar; Wittich, Knut; Glaum, Robert. Anhydrous Europium Phosphates: A Comprehensive Report on Syntheses, Crystal Structures, and Phase Relations. Zeitschrift für anorganische und allgemeine Chemie (Wiley). 2018-08-06, 644 (22): 1403–1414. ISSN 0044-2313. doi:10.1002/zaac.201800193.

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