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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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