碱式硝酸镤

碱式硝酸镤
识别
CAS号	14887-32-2
性质
化学式	Pa(OH)2(NO3)3
摩尔质量	451.07 g·mol⁻¹
	若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

碱式硝酸镤是一种具有放射性的无机化合物，化学式为Pa(OH)₂(NO₃)₃，其中镤为+5价。它可以从稀硝酸溶液中被磷酸三丁酯萃取。^[1]它在2~6 M硝酸溶液中，以其分子形式及离子形式（[Pa(OH)(NO₃)₃]⁺和[Pa(OH)₂(NO₃)₄]⁻）存在，而五价镤的氧合离子（PaO³⁺和PaO₂⁺）在溶液中是未知的。^[2]

参考文献

^ Khlebnikov, V. P.; D'yachkova, R. A.; Spitsyn, V. I. Extraction of protactinium by tributyl phosphate. III. Determination of the composition and stability constants of the protactinium nitrate complexes. Radiokhimiya, 1966. 8 (2): 125-131. ISSN 0033-8311.
^ C.J. Hardy, D. Scargill, J.M. Fletcher. Studies on protactinium(V) in nitric acid solutions. Journal of Inorganic and Nuclear Chemistry. 1958-10, 7 (3): 257–275 [2022-07-02]. doi:10.1016/0022-1902(58)80077-9. （原始内容存档于2018-06-07）（英语）.
^ D. Brown, P. J. Jones. Quinquevalent protactinium, niobium, and tantalum nitrates and nitrato-complexes. Journal of the Chemical Society A: Inorganic, Physical, Theoretical. 1966: 733 [2022-07-02]. ISSN 0022-4944. doi:10.1039/j19660000733 （英语）.

[1] Khlebnikov, V. P.; D'yachkova, R. A.; Spitsyn, V. I. Extraction of protactinium by tributyl phosphate. III. Determination of the composition and stability constants of the protactinium nitrate complexes. Radiokhimiya, 1966. 8 (2): 125-131. ISSN 0033-8311.

[2] C.J. Hardy, D. Scargill, J.M. Fletcher. Studies on protactinium(V) in nitric acid solutions. Journal of Inorganic and Nuclear Chemistry. 1958-10, 7 (3): 257–275 [2022-07-02]. doi:10.1016/0022-1902(58)80077-9. （原始内容存档于2018-06-07）（英语）.

[3] D. Brown, P. J. Jones. Quinquevalent protactinium, niobium, and tantalum nitrates and nitrato-complexes. Journal of the Chemical Society A: Inorganic, Physical, Theoretical. 1966: 733 [2022-07-02]. ISSN 0022-4944. doi:10.1039/j19660000733 （英语）.

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相关化合物

参考文献