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  • Author or Editor: S. A. Juiz x
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Thermal decomposition of the magnesium, zinc, lead and niobium chelates derived from 8-quinolinol

Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 50: Issue 4
DOI:
https://doi.org/10.1007/bf01979034
Authors: S. Juiz, M. Leles, A. Caires, N. Boralle, and M. Ionashiro

Abstract  

Solid M-Ox compounds, whereM represents Mg(II), Zn(II), Pb(II) and NbO(III), and Ox is 8-quinolinol, have been prepared. Thermogravimetry, derivative thermogravimetry (TG, DTG), differential scanning calorimetry (DSC), nuclear magnetic resonance (NMR) and infrared absorption spectra (IR) have been used to characterize and to study the thermal stability and thermal decomposition of these compounds.

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Thermal decomposition of some analgesic agents

Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 46: Issue 6
DOI:
https://doi.org/10.1007/bf01980770
Authors: Y. A. Ribeiro, J. D. S. de Oliveira, M. I. G. Leles, S. A. Juiz, and M. Ionashiro

Thermogravimetry, derivative thermogravimetry (TG, DTG) and differential scanning calorimetry (DSC), were used to study the thermal behaviour of mefenamic acid, ibuprofen, acetaminophen, sodium diclofenac, phenylbutazone, dipyrone and salicylamide. The results led to thermal stability data and also to the interpretation concerning the thermal decomposition.

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