邻苯二胺与5-氯-2-羟基二苯酮、水杨醛作用合成了一种异双四齿希夫碱配体C26H19N2O2(H2L).在正丁醇和甲醇体系中稀土硝酸盐与该配体反应合成了3种稀土希夫碱配合物[RE(HL)(NO3)2(H2O)]·H2O(RE=La,Pr,Nd).通过元素分析,IR,UV,TG-DTG及摩尔电导分析等手段对合成的配合物进行了表征,并用非等温热重法研究了La(Ⅲ)配合物的热分解反应动力学.推断出第三步热分解反应动力学方程为:da/dt=A·e-E/RT·3/2[(1-a)-1/3-1]-1.
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