Journal of Thermal Analysis and Calorimetry

, Volume 78, Issue 1, pp 207–213 | Cite as

Preparation, characterization and thermal behaviour of samarium(III) cyclotriphosphate(V), SmP3O9·5H2O

  • M. Jemal
  • F. Khlissa
  • M. Férid
  • M. Trabelsi-Ayadi


A new samarium cyclotriphosphate pentahydrate powder, SmP3O9·5H2O, has been prepared using a classical chemistry method and characterized by X-ray diffraction (XRD), thermogravimetric analysis (TG) and infrared spectroscopy. The IR spectrum shows the characteristic bands of cyclotriphosphates as the triplet in the range 1330-1250 cm-1. The results of differential thermal analysis, X-ray powder diffraction and IR spectra of the compound heated at different temperatures showed that, after dehydration, SmP3O9·5H2O decomposes to form an amorphous compound, which, then crystallises at 873 K and give the polyphosphate Sm(PO3)3.

thermal analysis X-ray diffraction cyclotriphosphate of samarium SmP3O9·5H2O 


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Copyright information

© Kluwer Academic Publisher/Akadémiai Kiadó 2004

Authors and Affiliations

  • M. Jemal
    • 1
  • F. Khlissa
    • 1
  • M. Férid
    • 1
  • M. Trabelsi-Ayadi
    • 1
  1. 1.Laboratoire des Procédés ChimiquesInstitut National de Recherche Scientifique et Technique B.P. 95, 2050Hammam-LifTunisie

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