Thermoanalytical study of purine derivatives compounds
Vol. 29 No. 1 (2004), Original articles
Vol. 29 No. 1 (2004)

Thermoanalytical study of purine derivatives compounds

Original articles
https://doi.org/10.26850/1678-4618eqj.v29.1.2004.p71-78
Published 2004-06-01
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.
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Keywords

aminophylline
theophylline
caffeine
uric acid
TG
DTA

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
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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.
https://doi.org/10.26850/1678-4618eqj.v29.1.2004.p71-78
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