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The system Y2O3−MgO−P2O5

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Abstract

The previously unknown ternary system Y2O3−MgO−P2O5 has been examined by thermal, X-ray and microscopic methods. Its phase diagram has been determined over the composition range: YPO4−Mg3(PO4)2−Mg(PO3)2−Y(PO3)3. In the system, the existence of two mixed phosphates: MgYP3O10 and MgY(PO3)5 has been found, and they occur, according to their composition, at the sections YPO4−Mg(PO3)2 and Y(PO3)3−Mg(PO3)2, respectively.

Zusammenfassung

Mittels thermischen, Röntgendiffraktions- und mikroskopischen Methoden wurde das zuvor unbekannte System Y2O3−MgO−P2O5 untersucht. Das Phasendiagramm für das Zusammensetzungsintervall YPO4−Mg3(PO4)2−Mg(PO3)2−Y(PO3)3 erstellt. In diesem System wurde die Existenz von zwei Mischphosphaten: MgYP3O10 und MgY(PO3)5 gefunden, die entsprechend ihrer Zusammensetzung in den Regionen YPO4−Mg(PO3)2 und Y(PO3)3−Mg(PO3)2 vorkommen.

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Authors and Affiliations

  1. Department of Inorganic Chemistry, Faculty of Engineering and Economics, Academy of Economics, 53345, Wroclaw, Poland

    Grażyna Czupińska

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  1. Grażyna Czupińska
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Czupińska, G. The system Y2O3−MgO−P2O5 . Journal of Thermal Analysis 43, 169–173 (1995). https://doi.org/10.1007/BF02635979

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  • DOI: https://doi.org/10.1007/BF02635979

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