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Thermal decomposition of some chemotherapic substances

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Sociedade Brasileira de Química

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Abstract (portuguese)

Termogravimetria, termogravimetria derivada (TG,DTG), calorimetria exploratória diferencial (DSC) e difratometria de raios X foram utilizados para estudar o trimetroprim, sulfametoxazol, ampicilina, cloridrato de tetraciclina e rifampicina. Os resultados permitiram obter informações sobre a estabilidade térmica destes compostos e a decomposição térmica em atmosfera de ar.

Abstract (english)

Thermogravimetry, derivative thermogravimetry (TG, DTG), differential scanning calorimetry (DSC) and X ray diffraction powder patterns have been used to study trimethoprim, sulfamethoxazole, ampicillim, tetracycline hydrochloride and rifampim. The results revealed the extent of their thermal stability and also allowed interpretations concerning their thermal decompositions in air atmosphere.

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chemotherapic substances, thermal decomposition

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English

Citation

Journal of the Brazilian Chemical Society. Sociedade Brasileira de Química, v. 10, n. 6, p. 459-462, 1999.

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Instituto de Química
IQAR
Campus: Araraquara


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