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Citation: FAN Yu-Hua, ZOU Yan-Na, BI Cai-Feng, XUE Yao-Sen, MA Shao-Hua, SUN Chong, YAN Liang-Liang. Synthesis,Characterization and Thermodecomposition Kinetics of Ln(Ⅲ) Complexes with Furfural-4-aminoantipyrine[J]. Chinese Journal of Applied Chemistry, ;2006, 23(4): 394-398. shu

Synthesis,Characterization and Thermodecomposition Kinetics of Ln(Ⅲ) Complexes with Furfural-4-aminoantipyrine

1.
College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003

Corresponding author: FAN Yu-Hua,
Received Date: 26 April 2005
Available Online: 26 April 2005

Three solid complexes of Schiff base C₁₆H₁₅N₃O₂(L) derived from Furfural and 4-aminoantipyrine with each of 3 lanthanide nitrates were synthesized and characterized by elemental analysis,IR,UV,TG-DTG and molar conductivity analysis.The compositions of the complexes were confirmed to be[LnL(NO₃)₃(CH₃-OH)]·H₂O(Ln=Pr,La,Eu).The third-stage thermal decomposition kinetics of the complexes was studied under non-isothermal condition by TG and DTG methods.The kinetic equation may be expressed as:dα/dt=A·e^-E/RT·3/2[(1-α)^-1/3-1)]^-1.The kinetic parameters(E,A),activation entropy ΔS^≠ and activation free-energy △G^≠ were also obtained.
- Schiff base,
- Ln(Ⅲ) complex,
- synthesis,
- characterization,
- thermal decomposition kinetics
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