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Names | |
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Other names Promethium trinitrate, Promethium nitrate | |
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Properties | |
Chemical formula | Pm(NO3)3 |
Molar mass | 206.918 g/mol |
Appearance | Purple-pink solid (hydrate) |
Solubility in water | Soluble |
Hazards | |
GHS labelling: | |
Signal word | Warning |
Related compounds | |
Related compounds | Samarium(III) nitrate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references |
Promethium(III) nitrate is an inorganic compound, a salt of promethium and nitric acid with the chemical formula Pm(NO3)3. The compound is radioactive, soluble in water and forms crystalline hydrates.
Synthesis
Reaction of promethium and nitric acid:
- Pm + 6 HNO3 → Pm(NO3)3 + 3 NO2 + 3 H2O
Physical properties
Promethium(III) nitrate hydrate forms a purple-pink solid.
It forms crystalline hydrates of the composition Pm(NO3)3·6H2O.
Chemical properties
Promethium(III) nitrate thermally decomposes to form promethium(III) oxide.
References
- Бекман, Игорь (1 July 2021). Радиохимия в 2 т. Т. 1 Фундаментальная радиохимия. Учебник и практикум для академического бакалавриата (in Russian). Litres. p. 157. ISBN 978-5-04-026362-2. Retrieved 20 August 2021.
- ^ Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3619. ISBN 978-0-412-30120-9. Retrieved 20 August 2021.
- Driscoll, Darren M.; White, Frankie D.; Pramanik, Subhamay; Einkauf, Jeffrey D.; Ravel, Bruce; Bykov, Dmytro; Roy, Santanu; Mayes, Richard T.; Delmau, Lætitia H.; Cary, Samantha K.; Dyke, Thomas; Miller, April; Silveira, Matt; VanCleve, Shelley M.; Davern, Sandra M. (May 2024). "Observation of a promethium complex in solution". Nature. 629 (8013): 819–823. Bibcode:2024Natur.629..819D. doi:10.1038/s41586-024-07267-6. ISSN 1476-4687. PMC 11111410. PMID 38778232.
- Chemistry, session C. U.S. Department of Commerce. 1965. p. 114. Retrieved 20 August 2021.
- Orr, P. B. (1965). Evidence of the Absence of Long-lived Isotopes of Promethium from Fission of Uranium, and the Purification of Promethium for the Establishment of a Primary Spectrographic Standard. Oak Ridge National Laboratory. p. 10. Retrieved 20 August 2021.
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