配合物K_3[Al(C_2O_4)_3]·3H_2O的热分解反应及其动力学研究

The K3[Al (C2O4)3]·3H2O Thermal Decomposition Responds and Its Dynamics Studies

采用TG–DSC方法研究了配合物K3[Al(C2O4)3]·3H2O的热分解反应过程,对其进行了动力学计算。由Friedman、Ozawa-Flynn-Wall、ASTME698三种方法得出峰温时的活化能值与指前因子值。应用Achar方法计算拟合得到了最佳的机理函数。

The thermal decomposition reactions and its dynamics evaluation of the complexes K3 [Al （C2O4）3].3H2O has been investigated by TG-DSC methods. The decomposition reaction parameters lgA and Ea（kJ.mol-1） of K3[Al （C2O4）3].3H2O were evaluated by Friedman、Ozawa-Flynn-Wall 、ASTME698 methods and their optimally kinetic function was fitted by A char method belonged to Bna.