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Citation: FAN Yu-Hua, BI Cai-Feng, LI Jin-Ying. Synthesis and Thermodecomposition Kinetics of Furfurylidene L-Tyrosine Complexes with Ln(Ⅲ)[J]. Chinese Journal of Applied Chemistry, ;2003, 20(3): 262-265. shu

Synthesis and Thermodecomposition Kinetics of Furfurylidene L-Tyrosine Complexes with Ln(Ⅲ)

1.
a College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003;
2.
b Chinese Academy of Atomic Energy, Beijing

Corresponding author: FAN Yu-Hua,
Received Date: 21 April 2002
Available Online: 17 December 2002

Five solid complexes of Schiff base KC₁₄H₁₂NO₄ (KL) derived from furfural and L-tyrosine with rare earth nitrates have been synthesized and characterized by elemental analysis, IR, UV and molar conductance measurement. The composition of the complexes were confirmed to be [LnL(NO₃)(H₂O)₂]NO₃·xH₂O (Ln=Gd,Dy,Nd,Er,La,Sm, x=0~2). The thermodecomposition kinetics of Er(Ⅲ) complex at initial decomposition stage under non-isothermal condition was studied. The kinetic equation appeared to be:d_α/dt=A·e^-E/RT·(1-α)².
- schiff base,
- Ln(Ⅲ)complex,
- thermodecomposition,
- non-isothermal kinetics
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