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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 13, Number 3
BKCSDE 13(3)
March 20, 1992 

 
Title
Thermochemical Behaviour of Some Salicylaldehyde G-P Complexes of Fe(Ⅲ), Co(Ⅱ), Cu(Ⅱ) and Zn(Ⅱ)
Author
M. A. H. Hafez*, M. N. H. Moussa
Keywords
Abstract
Through two different techniques TGA and DSC the thermal decomposition processes of salicyaldehyde G-P complexes having the general formula: [MCl2(L)2]2+ 2Cl-; where L = salicyaldehyde carbohydrazone pyridinum cation, and M= Fe(Ⅲ), Co(Ⅱ), Cu(Ⅱ) and Zn(Ⅱ), have been studied. From the obtained thermogravimetric curves the following parameters n, Eα, A, △S≠, △H≠ and △G≠ were evaluated. The effect of the nature of the metal ions present in the complexes studied upon the calculated thermodynamic parameters was reported. A suitable mechanism for the thermal decomposition process was suggested.
Page
334 - 336
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