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The nonisothermal decomposition kinetics of copper(II) complexes with phthalanilic acids and amino acids
Author(s) -
Ren LiPing,
Dai WeiLin,
Cao Yong,
Li HeXing,
Zheng XiaoHui,
Fan Kangnian
Publication year - 2003
Publication title -
international journal of chemical kinetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 68
eISSN - 1097-4601
pISSN - 0538-8066
DOI - 10.1002/kin.10161
Subject(s) - chemistry , kinetics , activation energy , thermal decomposition , decomposition , entropy of activation , copper , kinetic energy , order of reaction , frequency factor , ligand (biochemistry) , stereochemistry , reaction rate constant , organic chemistry , receptor , biochemistry , physics , quantum mechanics
Fifteen new kinds of mixed ligand complexes Cu(x‐P)A [P = 2‐(COO)C 6 H 4 CONH‐C 6 H 4 ; x = H, 2‐Cl, 2‐CH 3 , 2‐OCH 3 , 4‐OCH 2 CH 3 ; A = dehydronium Met, Leu, Phen] were synthesized. The thermal decomposition behavior of each complex is studied by TG. Coats‐‐Redfern, MacCallum‐‐Tammer, and Zsako methods are adopted to estimate the values of the apparent activation energy E a , the activation entropy δ S ≠ , the reaction order n , and the frequency factor A . The results showed that the reaction order is 2/3 for each of the complex. Studies on the mechanism of the thermal decomposition reactions suggested that these reactions all fit the kinetic equation 1 − (1 − α) 1/3 = © 2003 Wiley Periodicals, Inc. Int J Chem Kinet 35: 623–628, 2003
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