Thermoanalytical study of purine derivatives compounds

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Published: Jun 1, 2004
DOI: https://doi.org/10.26850/1678-4618eqj.v29.1.2004.p71-78
Keywords:
aminophylline, theophylline, caffeine, uric acid, TG, DTA

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Egon Schnitzler
Universidade Estadual de Ponta Grossa, Departamento de Química, Ponta Grossa, Brasil.
Marcelo Kobelnik
Universidade Estadual de Ponta Grossa, Departamento de Química, Ponta Grossa, Brasil.
Gabriel Federico Calle Sotelo
Universidade Estadual de Ponta Grossa, Departamento de Engenharia de Materiais, Ponta Grossa, Brasil.
Gilbert Bannach
Universidade Estadual Paulista, Instituto de Química, Araraquara, Brasil.
Massao Ionashiro
Universidade Estadual Paulista, Instituto de Química, Araraquara, Brasil.

Abstract

Thermal methods of analysis are now used in a very large range of scientific investigations. In
this work simultaneous thermogravimetry-differential thermal analysis (TG-DTA), X-Ray powder
diffractometry and infrared spectroscopy were used to study the derivative compounds of purine, i. e.
aminophylline, theophylline, caffeine and uric acid. The results led to informations about the thermal
stability and thermal decomposition of these compounds.

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How to Cite
Schnitzler, E., Kobelnik, M., Sotelo, G. F. C., Bannach, G., & Ionashiro, M. (2004). Thermoanalytical study of purine derivatives compounds. Eclética Química, 29(1), 71–78. https://doi.org/10.26850/1678-4618eqj.v29.1.2004.p71-78
Issue
Vol. 29 No. 1 (2004): Eclética Química
Section
Original articles
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