Thermodynamic properties of polymorphic forms of theophylline. Part I: DSC, TG, X-ray study

The physicochemical properties of theophylline hydrate and anhydrous polymorphic forms I and II were evaluated using crystallographic and calorimetric method. This study has been carried out with the following techniques: differential scanning calorimetry (DSC), thermogravimetric analysis (TG) and X...

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Veröffentlicht in:	Journal of thermal analysis and calorimetry 2010-01, Vol.99 (1), p.325-335
Hauptverfasser:	Szterner, Piotr, Legendre, Bernard, Sghaier, Mehrez
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis Analytical Chemistry Biological and medical sciences Calorimetry Chemistry Chemistry and Materials Science Crystallography Differential scanning calorimetry Diffraction Hydrates Inorganic Chemistry Measurement Science and Instrumentation Medical sciences Pharmacology. Drug treatments Physical Chemistry Polymer Sciences Respiratory system Theophylline Thermodynamic properties Thermodynamics X-rays
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Beschreibung
Zusammenfassung:	The physicochemical properties of theophylline hydrate and anhydrous polymorphic forms I and II were evaluated using crystallographic and calorimetric method. This study has been carried out with the following techniques: differential scanning calorimetry (DSC), thermogravimetric analysis (TG) and X-ray diffractometry. The X-ray patterns on powder for investigated compounds are presented.
ISSN:	1388-6150 1588-2926 1572-8943
DOI:	10.1007/s10973-009-0186-1