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  • Title: DSC study of sucrose melting.
    Author: Beckett ST, Francesconi MG, Geary PM, Mackenzie G, Maulny AP.
    Journal: Carbohydr Res; 2006 Nov 06; 341(15):2591-9. PubMed ID: 16916498.
    Abstract:
    An early endothermic peak at approximately 150 degrees C was observed for crystalline sucrose by differential scanning calorimetry. The enthalpy at this temperature was found to vary with recrystallised sucrose from different sources. The addition of mineral salts to recrystallisation solutions decreased the enthalpy of the peak at around 150 degrees C, whereas the absence of salts increased it. The presence of organic solvents and polysaccharides in solution had a minor effect compared to the inorganic impurities. The peak was also depleted by increasing the amount of stirring and temperature at which recrystallisation was performed.
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