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  • 1 Departamento de Ciências Farmacêuticas, Universidade Federal de Santa Catarina, Campus Universitário Trindade, Florianópolis, Brazil, 88.040-900
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Abstract

The thermal behaviour of fluoxetine hydrochloride and five capsules available in Florianópolis, Brazil was investigated. The raw material’s purity, kinetic parameters, thermal behaviour and melting characteristics were determined by differential scanning calorimetry and thermogravimetric analysis, as well as the thermal study of the capsules. The purity was 99.12±0.15%. The thermal decomposition followed a zero order kinetic, activation energy of 88.67 kJ mol−1 and frequency factor of 3.539·107 min−1. DSC curves obtained from the capsules suggest compatibility between the drug and excipient.

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