【摘 要】
：
The thermal behavior of Tb2(BA)6(PHEN)2 (BA: benzoate, and PHEN: 1,10-phenanthroline) in a static air atmosphere was investigated by TG-DTG, SEM and IR techniqu
【机 构】
：
Experimental Center,College of Chemistry,College of Chemistry and Pharmaceutical Engineering,Departm
【基金项目】
：
国家自然科学基金;Hebei Education Department
论文部分内容阅读
The thermal behavior of Tb2(BA)6(PHEN)2 (BA: benzoate, and PHEN: 1,10-phenanthroline) in a static air atmosphere was investigated by TG-DTG, SEM and IR techniques. By the kinetic method of processing thermal analysis data put forward by Malek et al., it is defined that the kinetic modelfor the first-step thermal decomposition is SB(m, n). The activation energy E for this step reaction is 99.07 kJ/mol, the entropy of activation △S is -84.72 J/mol, the enthalpy of activation △H is 94.26 kJ/mol, the free energy of activation △G is 144.77 kJ/mol and the pre-exponential factor lnA is 20.93.The lifetime equation at mass-loss of 10% was deduced as lnτ = -29.0312 + 19760.83/T by isothermal thermogravimetric analysis.
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