Enthalpy of formation of Y2Ba4Cu7O14.916

被引：4
作者：
Monayenkova, AS [1 ]
Popova, AA
Kuzmenko, VV
Karpinski, J
Conder, K
机构：
[1] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119899, Russia
[2] ETH Zurich, Festkorperphys Lab, CH-8093 Zurich, Switzerland
来源：
JOURNAL OF CHEMICAL THERMODYNAMICS | 1998年 / 30卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
enthalpy of formation; high-temperature superconductor; solution calorimetry; Y2Ba4Cu7O14+w phase;
D O I：
10.1006/jcht.1997.0273
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The standard molar enthalpy of formation of Y2Ba4Cu7O14.916 at T = 298.15K has been determined by solution calorimetry to be: Delta(f)H(m)(0) (Y2Ba4Cu7O14.916, cr, 298.15 K) = (-5465.7 +/- 7)kJ.mol(-1). During the experiment the molar enthalpies of reaction of the Y2Ba4Cu7O14.916 high-temperature superconductor and metallic yttrium with 1.07N HCl have been measured in a hermetic rotating calorimeter equipped with an isothermal jacket. (C) 1998 Academic Press Limited.
引用
收藏
页码：81 / 86
页数：6
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