Relaxation behaviour of d(−)-salicin as studied by Thermally Stimulated Depolarisation Currents (TSDC) and Differential Scanning Calorimetry (DSC)

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Thermally Stimulated Depolarisation Currents (TSDC) measurements on d(−)-salicin have been carried out in the temperature region from −165 °C up to 150 °C. The slow molecular mobility was characterised in the crystal and in the glassy state. The value of the steepness index or fragility (Tg—normalized temperature dependence of the relaxation time) was obtained by Differential Scanning Calorimetry (DSC) from the analysis of the scanning rate dependency of Tg. The existence of an unknown polymorph of salicin is also reported.

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