
Preparation of a crystalline salt of indomethacin and tromethamine by hot melt extrusion technology
Keywords: Crystalline salt; Indomethacin; Tromethamine; Hot melt extrusion; Solution-phase NMR; hot melt extrusion; HME; solvent evaporation; SE; differential scanning calorimetry; DSC; hot-stage polarized light microscopy; HSPLM; Fourier transform infrared spectro