Promethium(III) nitrate explained

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^[1] and forms crystalline hydrates.^[2]

Synthesis

Reaction of promethium and nitric acid:

Pm + 6HNO3 -> Pm(NO3)3 + 3NO2 + 3H2O

Physical properties

Promethium(III) nitrate hydrate forms purple-pink solid.^[2]

Forms crystalline hydrates of the composition Pm(NO3)3*6H2O.^[3]

Chemical properties

Promethium(III) nitrate thermally decomposes to form promethium(III) oxide.^[4]

Notes and References

1. Book: Бекман . Игорь . Радиохимия в 2 т. Т. 1 Фундаментальная радиохимия. Учебник и практикум для академического бакалавриата . 1 July 2021 . Litres . 978-5-04-026362-2 . 157 . 20 August 2021 . ru.
2. Book: Macintyre . Jane E. . Dictionary of Inorganic Compounds . 23 July 1992 . . 978-0-412-30120-9 . 3619 . 20 August 2021 . en.
3. Book: Chemistry, session C . 1965 . U.S. Department of Commerce . 114 . 20 August 2021 . en.
4. Book: Orr . P. B. . 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 . 1965 . . 10 . 20 August 2021 . en.