Synthesis and thermal decomposition kinetics of Th(IV) complex with unsymmetrical Schiff base ligand

被引：0

作者：

Fan Yuhua

Bi Caifeng

Liu Siquan

Yang Lirong

Liu Feng

Ai Xiaokang

机构：

[1] College of Chemistry and Chemical Engineering,

[2] Ocean University of China,undefined

[3] College of Chemistry and Chemical Engineering,undefined

[4] Ocean University of China,undefined

[5] College of Chemistry and Chemical Engineering,undefined

[6] Ocean University of China,undefined

[7] College of Chemistry and Chemical Engineering,undefined

[8] Ocean University of China,undefined

[9] College of Chemistry and Chemical Engineering,undefined

[10] Ocean University of China,undefined

[11] College of Chemistry and Chemical Engineering,undefined

[12] Ocean University of China,undefined

来源：

Journal of Radioanalytical and Nuclear Chemistry | 2005年 / 267卷

关键词：

Entropy; 3H2O; Thermal Decomposition; Kinetic Parameter; Thorium;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A new unsymmetrical Schiff base ligand (H2LLi) was synthesized using L-lysine, o-vanillin and salicylaladyde. Thorium(IV) complex of this ligand [Th(H2L)(NO3)](NO3)2.3H2O have been prepared and characterized by elemental analyses, IR, UV and molar conductance. The thermal decomposition kinetics of the complex for the second stage was studied under non-isothermal condition by TG and DTG methods. The kinetic equation may be expressed as: dα/dt=A.e-E/RT.1/2 (1-α).[-ln(1-α)]-1. The kinetic parameters (E, A), activation entropy ΔS¹and activation free-energy ΔG¹were also calculated.

引用

页码：89 / 93

页数：4

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