کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
215061 1426217 2016 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Thermodynamic properties of caesium–cobalt phosphate CsCoPO4
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Thermodynamic properties of caesium–cobalt phosphate CsCoPO4
چکیده انگلیسی


• The heat capacity of crystalline phosphate CsCoPO4 was performed between T = (6 and 650) K.
• Phase transitions were found at T = (313.40, 486.9 and 514.4) K.
• Thermodynamic functions were calculated over the range of T = (0 and 650) K.

The heat capacity measurements of the crystalline phosphate CsCoPO4 with a β-tridymite structure were performed between T = (6 and 650) K. Phase transitions were found at T = (313.40, 486.9 and 514.4) K. They correspond to the polymorphic transformations between two monoclinic and two orthorhombic modifications of CsCoPO4, respectively. Thermodynamic functions Cp,mo/R  , Δ0THmo/RT  , Δ0TSmo/R   and Φmo/R were calculated over the range of T = (0 and 650) K from experimental values and the fractal dimension Dfr evaluated. Standard entropy of formation at T = 298.15 K was estimated to be (−386.40 ± 1.38) J · K−1 · mol−1 for crystalline phosphate CsCoPO4.

The temperature dependence of the heat capacity of crystalline phosphate CsCoPO4.Figure optionsDownload as PowerPoint slide

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: The Journal of Chemical Thermodynamics - Volume 96, May 2016, Pages 34–40
نویسندگان
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