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

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Abstract

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.

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Authors and Affiliations

  1. Laboratoire des Procédés Chimiques, Institut National de Recherche Scientifique et Technique B.P. 95, 2050, Hammam-Lif, Tunisie

    M. Jemal, F. Khlissa, M. Férid & M. Trabelsi-Ayadi

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  1. M. Jemal
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  2. F. Khlissa
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  3. M. Férid
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  4. M. Trabelsi-Ayadi
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Jemal, M., Khlissa, F., Férid, M. et al. Preparation, characterization and thermal behaviour of samarium(III) cyclotriphosphate(V), SmP3O9·5H2O. Journal of Thermal Analysis and Calorimetry 78, 207–213 (2004). https://doi.org/10.1023/B:JTAN.0000042168.76400.39

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  • DOI: https://doi.org/10.1023/B:JTAN.0000042168.76400.39

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