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  • 1 Academy of Economics Department of Inorganic Chemistry, Faculty of Engineering and Economics 118/120 Komandorska 53345 Wrocław Poland
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Abstract  

In the ternary system Y2O3−Na2O−P2O5, the partial system Y(PO3)3−NaPO3−P2O5 was examined by means of differential thermal analysis and X-ray powder diffraction; its phase diagram is given.