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Kinetic analysis of thermogravimetric data. X |
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| Authors: | Zsakó J Várhelyi Cs Liptay G Szilágyi K |
| Institution: | 1.Faculty of Chemistry, “Babe?-Bolyai” University, Cluj, Romania ;2.Department of Applied Chemistry, Technical University, Budapest ; |
| Abstract: | A study was made of the thermal decompositions of 22 derivatives ofM(en) 3]X 3 type complexes. Partial de-amination leading to the formation ofM(en) 2 X 2]X type complexes occurs in the case ofM=Cr(III) ifX=Cl, Br, I orNCS, but in the case ofM=Co(III) it is possible only ifX=Cl. In other cases redox reactions hinder the formation of stable intermediates. Kinetic parameters were derived for the dehydration of 19 compounds. The validity of a linear kinetic compensation law was observed. The dependence of the kinetic compensation parameters on the nature of the thermal process is discussed. |
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