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The Differential Scanning Calorimetry (DSC) thermogram (heating rate 10C min1 ) below represents a pharmaceutical agent in two pure polymorphic forms, (a) and (b). Interpret

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The Differential Scanning Calorimetry (DSC) thermogram (heating rate 10C min1 ) below represents a pharmaceutical agent in two pure polymorphic forms, (a) and (b). Interpret the heating profiles for each polymorph and comment on the thermal changes occurring. HINT: For Polymorph (b), the exothermic transition is due to recrystallisation of Polymorph (a) from molten Polymorph (b). A

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