Thermodynamic properties of caesium-magnesium monophosphate

被引：13
|
作者：
Asabina, E. A. [1 ]
Zaripov, A. R. [2 ]
Pet'kov, V. I. [1 ]
Markin, A. V. [1 ]
Kir'yanov, K. V. [1 ]
Smirnova, N. N. [1 ]
Rovny, S. I. [2 ]
机构：
[1] Nizhnii Novgorod State Univ, Nizhnii Novgorod 603950, Russia
[2] Mayak PA, Ozersk 456780, Chelyabinskaya, Russia
来源：
JOURNAL OF CHEMICAL THERMODYNAMICS | 2008年 / 40卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
phosphate; stuffed tridymite structure; caesium; heat capacity; thermodynamic functions; solution reaction calorimetry;
D O I：
10.1016/j.jct.2007.11.001
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The heat capacity measurements of the crystalline phosphate CsMgPO4 of a tridymite structure were performed between T = (7 and 650) K. The thermodynamic functions C-p,C-m degrees/R, Delta H-T(0)m degrees/RT, Delta S-T(0)m degrees/R, and Phi(m)degrees/R were calculated and the fractal dimension D-fr evaluated. From the solution reaction calorimetry, the standard enthalpy of CSMgPO4 formation at T = 298.15 K was found. Thermochemical parameters of formation Delta(f)G(m)degrees and lgK(f,m)degrees were determined by combining the data obtained by these techniques. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：653 / 660
页数：8
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