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REVISTA DE CHIMIE
https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie, Volume 67, Issue 1, pp. (2016)




LenuTa-Maria SUTA, Gabriela VLASE, Titus VLASE, Tudor OLARIU, IonuT LEDETI, Ionela BELU, CodruT IVAN, Cristian-Andrei SARAU, Germaine SAVOIU-BALINT, Lavinia STELEA, Adriana LEDETI Solid State Stability of Cholesterol Preliminary kinetic analysis

Abstract:

Kinetic analysis is a powerful tool of characterization for degradative processes which involve bioactive compounds. In this study, we set our goal in the preliminary kinetic analysis for the decomposition processes of cholesterol under non-isothermal conditions, by employing two methods proposed by Kissinger: the classical Kissinger method vs. isoconversional Kissinger-Akahira-Sunose method. The obtained results by employing the two methods suggest the superiority of the isoconversional method. The mean value for activation energies were obtained as follows: 82.7 kJ/mol by using Kissinger method vs. 100.8±3.1 kJ/mol by using KAS method. A discussion for the differences between these values is presented. Keywords: kinetic study, cholesterol, thermal analysis, isoconversional method, Kissinger

Issue: 2016 Volume 67, Number 1
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