Abstract
A software is described enabling kinetic analysis under non-isothermal or isothermal conditions from DSC, or from TG data. The program offers thirteen methods of kinetic analysis for DSC, three for isothermal analysis and two for TG, with eight different functions for the choice of the proper mechanism for each of them.
Zusammenfassung
Cu(II)-komplexe von Acenaphthoquinonmono-(4-methyl-quinolinyl)-hydrazon (AMH) der allgemeinen Zusammensetzung [CuLX2] (mitL=AMH;X=Cl, Br, I, OAc oder NO3) -ausgenommen die Sulfato-komplexe, die über die allgemeine Zusammensetzung [CuLSO4]2 verfügen — wurden hergestellt und mittels Elementaranalyse, Messungen des magnetischen Momentes, Leitfähigkeitsmessungen, IR, elektronen- und EPR-spektroskopischen Techniken und durch Thermoanalyse untersucht. Für alle Komplexe wurde eine planare Geometrie gefunden. Die TG-Kurven zeigen, daß die Komplexe in einem Schritt zersetzt werden, wobei am Ende dieses Schrittes CU2O gebildet wird.
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Abbreviations
- E a :
-
activation energy (kJ · mol−1)
- k(T) :
-
specific rate constant (s−1)
- k o :
-
pre-exponential factor (s−1)
- R :
-
universal gas constant (8.314 kJ · mol−1· K·−1
- V :
-
scanning rate (K· s−1)
- T :
-
absolute temperature (K)
- T p :
-
top of peak temperature (K)
- α:
-
degree of conversion
- αp :
-
degree of conversion to the top of the peak
- αm :
-
degree of conversion corresponding to the maximum of the peak functiony(α)
- m, n, p :
-
kinetic exponents
- y(α):
-
standardized curve (see [14])
- dα/dt :
-
reaction rate (s−1)
- dH/dt :
-
heat flow (and also Y) (mW)
- H i :
-
partial enthalpy at the temperatureT i (J/g)
- Q t :
-
total enthalpy (J/g)
- ΔH i :
-
Q t-H i (J/g)
- k for :
-
constant rate of the forward reaction (s−1)
- k rev :
-
constant rate of the reverse reaction (s−1)
- ΔG :
-
Gibbs free energy (J/g)
- t :
-
time (s)
- T iso :
-
isothermal temperature (K)
- x :
-
E a/RT
- w :
-
weight loss (mg)
- W i :
-
initial weight (mg)
- w f :
-
final weight (mg)
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Sbirrazzuoli, N., Brunel, D. & Elegant, L. Different kinetic equations analysis. Journal of Thermal Analysis 38, 1509–1524 (1992). https://doi.org/10.1007/BF01975082
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DOI: https://doi.org/10.1007/BF01975082