Promethium(III) phosphate explained

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 [1]), and the hydrate can be obtained by burning at 960 °C to obtain the anhydrous form.[2] Its standard enthalpy of formation is −464 kcal/mol.[3]

Notes and References

  1. MRS Proceedings. 985. en. 0272-9172. 2006. 10.1557/PROC-985-0985-NN04-08. Hydrothermal Methods as a New Way of Actinide Phosphate Preparation. 2021-01-16. Nicolas Clavier. Nicolas Dacheux. Gilles Wallez. Michel Quarton.
  2. Journal of the American Ceramic Society. 48. 7. en. 0002-7820. July 1965. 383–384. 10.1111/j.1151-2916.1965.tb14768.x. Unit Cells of the Monazite-Type Rare-Earth Phosphates. 2021-01-16. F. Weigel. V. Scherer. H. Henschel.
  3. Marinova. L. A.. Yaglov. V. N.. Thermodynamic characteristics of phosphates of lanthanides. Zhurnal Fizicheskoi Khimii. 1976. 50. 3. 802. 0044-4537.

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