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本文对稀土硝酸盐与甘氨酸生成的配合物 RE(NO_3)_3·(Gly)_4Ln=La.Ce.Pr.Nd.Sm.Eu.Gd.Tb;Gly=Gly(cine)进行了 TG—DTG.DSC 分析,确定了配合物的热分解过程,比较了配合物的热稳定性;利用 Kissinger 公式计算了配合物的表现分解活化能;从 DSC 分析得到了配合物的相变焓。
In this paper, TG-DTG was carried out on the complex RE (NO_3) _3 · (Gly) _4Ln = La.Ce.Pr.Nd.Sm.Eu.Gd.Tb; Gly = Gly (cine) produced by rare earth nitrate and glycine. DSC analysis, the thermal decomposition process of the complex was determined and the thermal stability of the complex was compared. The Kissinger formula was used to calculate the decomposition activation energy of the complex. The enthalpy of phase transition of the complex was obtained from DSC analysis.