Thermodynamic properties of the NdBr3-MBr binary systems (M = Na, K)

被引:3
作者
Bounouri, Yassine [1 ]
Berkani, Madjid [1 ]
Zamouche, Abdelmalek [1 ]
Danczak, Anna [2 ]
Chojnacka, Ida [2 ]
Rycerz, Leszek [2 ]
机构
[1] Univ Bejaia, Fac Sci Exactes, Lab Physicochim Mat & Catalyse, Targa Ouzemmour 06000, Bejaia, Algeria
[2] Wroclaw Univ Sci & Technol, Dept Chem, Chem Met Grp, Wybrzeze Wyspianskiego 27, PL-50370 Wroclaw, Poland
关键词
Phase diagrams; Phase transitions; Thermal analysis; Enthalpy; DSC; PHASE-DIAGRAM; ELECTRICAL-CONDUCTIVITY; TRANSPORT-PROPERTIES; LI; SCINTILLATION; COMPOUND; BROMIDES; CS; RB;
D O I
10.1007/s10973-018-7180-4
中图分类号
O414.1 [热力学];
学科分类号
摘要
Phase equilibria in the NdBr3-MBr binary systems (M = Na, K) were established by differential scanning calorimetry. The system with NaBr is a simple eutectic system with two compounds that decompose in the solid state (NaNdBr4 at 603 K and Na3NdBr6 at 580 K). In the system with KBr, three stoichiometric compounds exist. First (K3NdBr6) is formed from KBr and K2NdBr5 at 680 K and melts congruently at 918 K. Second (KNd2Br7) melts congruently at 814 K. Third compound (K2NdBr5) melts incongruently at 822 K.
引用
收藏
页码:1589 / 1596
页数:8
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