Chemistry:Promethium(III) phosphate
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3D model (JSmol)
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PubChem CID
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| Properties | |
| PmPO4 | |
| Molar mass | 241.89 |
| Appearance | pale yellow solid (hydrate) garnet-red solid (anhydride)[1] |
| insoluble | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Promethium(III) phosphate is an inorganic compound, a salt of promethium and phosphate, with the chemical formula of PmPO4. It is radioactive. Its hydrate can be obtained by precipitation of soluble promethium salt and diammonium hydrogen phosphate at pH 3~4 (or obtained by hydrothermal reaction [2]), and the hydrate can be obtained by burning at 960 °C to obtain the anhydrous form.[1] Its standard enthalpy of formation is −464 kcal/mol.[3]
References
- ↑ 1.0 1.1 F. Weigel; V. Scherer; H. Henschel (July 1965). "Unit Cells of the Monazite-Type Rare-Earth Phosphates" (in en). Journal of the American Ceramic Society 48 (7): 383–384. doi:10.1111/j.1151-2916.1965.tb14768.x. ISSN 0002-7820. http://doi.wiley.com/10.1111/j.1151-2916.1965.tb14768.x. Retrieved 2021-01-16.
- ↑ Nicolas Clavier; Nicolas Dacheux; Gilles Wallez; Michel Quarton (2006). "Hydrothermal Methods as a New Way of Actinide Phosphate Preparation" (in en). MRS Proceedings 985. doi:10.1557/PROC-985-0985-NN04-08. ISSN 0272-9172. https://www.cambridge.org/core/product/identifier/S1946427400060589/type/journal_article. Retrieved 2021-01-16.
- ↑ Marinova, L. A.; Yaglov, V. N. (1976). "Thermodynamic characteristics of phosphates of lanthanides". Zhurnal Fizicheskoi Khimii 50 (3): 802. ISSN 0044-4537.
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