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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/112093
Title: 
Thermal and spectroscopic studies on solid ibuprofen complexes of lighter trivalent lanthanides
Author(s): 
Institution: 
Universidade Estadual Paulista (UNESP)
ISSN: 
0040-6031
Sponsorship: 
  • Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Sponsorship Process Number: 
FAPESP: 12/21450-1
Abstract: 
Solid-state compounds of general formula Ln(L)(3), in which Lis ibuprofen and Ln stands for trivalent La, Ce, Pr, Nd, Sm and Eu, have been synthesized. Simultaneous thermogravimetry and differential thermal analysis (TG-DTA), X-ray powder diffractometry (DRX), complexometry, Fourier-transformed infrared spectroscopy (FTIR) and thermogravimetry coupled to Fourier-transformed infrared spectroscopy (TG-FTIR) were used to characterize these compounds. The results provided information concerning the chemical composition, dehydration, coordination modes of the ligands, crystallinity of the samples, thermal behavior and thermal decomposition of the compounds. The theoretical and experimental spectroscopic studies suggest that ibuprofen coordinates through the carboxylate group as a chelating ligand. (C) 2013 Elsevier B.V. All rights reserved.
Issue Date: 
10-Jan-2014
Citation: 
Thermochimica Acta. Amsterdam: Elsevier Science Bv, v. 575, p. 226-232, 2014.
Time Duration: 
226-232
Publisher: 
Elsevier B.V.
Keywords: 
  • Ibuprofen
  • Lanthanides
  • Carboxylate complexes
  • Thermal behavior
  • Infrared spectroscopy
  • TG-FTIR
Source: 
http://dx.doi.org/10.1016/j.tca.2013.11.005
URI: 
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/112093
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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