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Thermal Decomposition Kinetics of Mefenamic Acid CrystalsBy S. Ramukutty, E. Ramachandran
Abstract: Single crystals of mefenamic acid were crystallized by gel growth method for the first time in literature. Crystal structure was confirmed using single crystal X-ray diffraction analysis. Kinetic analysis was made from the isothermal thermogravimetric analysis/differential thermal analysis (TGA/DTA) data using Coats–Redfern (CR) relation. Thermodynamic parameters were also determined. Arrhenius equation for mefenamic acid is k = 0.28 × 109 e–116551/RT mol–1s–1. Keywords: kinetic analysis, mefenamic acid, thermal analysis
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 2, Issue 1, 2016 · pp. 21–24 Read article →