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Calculation of liquidus curves in phase diagrams Na4P207-Mg2P207 and Na4P207-Zn2P207

P. Fellner and J. Majling

Institute of Inorganic Chemistry, Slovak Academy of Sciences, 809 3d Bratislava

 

Abstract: Liquidus curves were calculated in the phase diagrams  Na4P207-Mg2P207 and Na4P207-Zn2P207 . From the phase diagrams and using the method of thermodynamic analogy, the enthalpy of fusion of Zn2P207 was determined (ΔH1 = 17 kcal mol-1). Good agreement between calculated and experimental data was achieved assuming a partial dissociation of the congruently melting compounds Na7Mg4.5(P207)4 and Na2ZnP207 ( α0 = 0.05).

Full paper in Portable Document Format: 276a728.pdf

 

Chemical Papers 27 (6) 728–731 (1973)

Wednesday, June 19, 2024

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