Thermal Studies and Kinetic Parameters of Copper (II) Complexes of Some Novel N-Hydroxyamidines

Thermal Studies and Kinetic Parameters of Copper (II) Complexes of Some Novel N-Hydroxyamidines
Author(s):
Sharda Mahilkar Sonkar, Hemlata Mohabey
Keywords:
Kinetic Parameters, N-Hydroxyamidine, Thermogravimetric Analysis, Activation Energy
Abstract
Thermogravimetric analysis of the copper complexes with newly synthesized Hydroxyamidine Hydrochlorides have been carried out in present investigation in order to evaluate their thermal stabilities. It was found that the nature of decomposition of all the complexes under study is nearly same. All the copper complexes start decomposing only after 200˚C indicating that water molecule is absent. The thermal data obtained from thermogravimetric curves have been used to calculate kinetic parameters viz energy of activation, frequency factor, entropy of activation by Sharp – Wentworth, Coats-Redfern and Piloyan- Novikova methods. Calculation of energy of activation (Ea), frequency factor (A), entropy of activation (ΔS#) reveal that copper complex of N-Hydroxy N- (4-Methyl) Phenyl N’- (3-Methyl) Phenyl – 2-Chloro Benzamidine Hydrochloride is the most stable of all the complexes synthesized.
Article Details
Unique Paper ID: 153618 Publication Volume & Issue: Volume 8, Issue 8 Page(s): 122 - 126
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