Abstract
The phase equilibria occurring in the ErPO4-K3PO 4 system were investigated by the thermal analysis, FTIR, and X-ray powder diffraction methods. On the basis of obtained results, the related phase diagram is proposed. This system includes one intermediate compound, K 3Er(PO4)2; the double phosphate melts incongruently at 1355 C and occurs in two polymorphic forms; transformation β/α-K3Er(PO4)2 proceeds at 420 C. The eutectic occurs at the composition of 58.5 wt% K3PO4, 41.5 wt% ErPO4 at 1317 C. © 2013 The Author(s).
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Piotrowska, D., Znamierowska, T., & Szczygieł, I. (2013). Phase equilibria in the ErPO4-K3PO4 system. In Journal of Thermal Analysis and Calorimetry (Vol. 113, pp. 121–126). https://doi.org/10.1007/s10973-012-2883-4
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