Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 105: Issue 2
Study of the thermal behavior of Al(III) and In(III)-diclofenac complexes in solid state
Authors:
Marcelo Kobelnik Centro Universitário do Norte Paulista—UNORP, São José do Rio Preto, SP, Brazil
Instituto de Biociências, Letras e Ciências Exatas, São Paulo State University, São José do Rio Preto, SP, Brazil

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Douglas Lopes Cassimiro Instituto de Química, São Paulo State University, C.P. 355, Araraquara, SP, 14800-900, Brazil

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Adélia Emilia de Almeida Instituto de Química, São Paulo State University, C.P. 355, Araraquara, SP, 14800-900, Brazil
Faculdade de Ciências Farmacêuticas, São Paulo State University, São Paulo, SP, Brazil

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Clóvis Augusto Ribeiro Instituto de Química, São Paulo State University, C.P. 355, Araraquara, SP, 14800-900, Brazil

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Marisa Spirandeli Crespi Instituto de Química, São Paulo State University, C.P. 355, Araraquara, SP, 14800-900, Brazil

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Pages:
415–419
Online Publication Date:
08 Jan 2011
Publication Date:
01 Aug 2011
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-010-1266-y
Keywords:
Diclofenac; Dehydration; Thermal decomposition; Kinetic parameters
Restricted access

Abstract

The Al and In-diclofenac compounds were prepared. Thermogravimetry (TG) and X-ray diffraction powder patterns were used to characterize these compounds. Details concerning the dehydration and thermal decomposition as well as data of kinetic parameters have been described here. The kinetic studies of these stages were evaluated from several heating rates with mass sample of 2 and 5 mg in open crucibles under nitrogen atmosphere. The results of the present study improve the knowledge on these compounds including their dehydration and thermal stability. The obtained data leads to a dependence on the sample mass, which results in two kinetic behavior patterns.

  • 1. Kobelnik, M, Bernabé, GA, Ribeiro, CA, Capela, JMV, Fertonani, FLJ 2009 Decomposition kinetics of iron (III)-diclofenac compound. J Therm Anal Calorim 97:493–496 .

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  • 2. Kobelnik M , Cassimiro DL, Ribeiro CA, Dias DS, Crespi MS. Preparation of the Ca-diclofenac complex in solid state. Study of the thermal behavior of the dehydration, transition phase and decomposition. J Therm Anal Calorim. doi .

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  • 3. Kobelnik, M, Quarcioni, VA, Ribeiro, CA, Capela, JMV, Dias, DS, Crespi, MS 2010 Thermal study in solid state of Zn(II)-diclofenac complex: behavior kinetic of the dehydration, transition phase and thermal decomposition. J Chin Chem Soc 57:384–390.

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  • 4. Konstandinidou, M, Kourounakis, A, Yiangou, M, Hadjipetrou, L, Kovala-Demertzi, D, Hadjikakou, S, Demertzis, M 1998 Anti-inflammatory properties of diclofenac transition metalloelement complexes. J Inorg Biochem 70:63–69 .

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  • 5. Kovala-Demertzi, D, Hadjikakou, SK, Demertzis, MA, Deligiannakis, Y 1998 Metal ion–drug interactions. Preparation and properties of manganese (II), cobalt (II) and nickel (II) complexes of diclofenac with potentially interesting anti-inflammatory activity: Behavior in the oxidation of 3,5-di-tert-butyl-o-catechol. J Inorg Biochem 69:223–229 .

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  • 6. Bucci, R, Magri, AD, Magri, AL, Napoli, A 2000 Spectroscopic characteristics and thermal properties of divalent metal complexes of diclofenac. Polyhedron 19:2515–2520 .

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  • 7. Ihsan, MK 2005 Density functional theory assessment of the thermal degradation of diclofenac and its calcium and iron complexes. J Mol Struct 754:61–70 .

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  • 8. Souza, JL, Kobelnik, M, Ribeiro, CA, Capela, JMV 2009 Kinetics study of crystallization of PHB in presence of hydrociacids. J Therm Anal Calorim 97:525–528 .

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  • 9. Capela, JMV, Capela, MV, Ribeiro, CA 2009 Nonisothermal kinetic parameters estimated using nonlinear regression. J Math Chem 45:769–775 .

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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