Abstract
Thermal behaviors of trehalose dihydrate (T h) and β-anhydrous trehalose (T β) have been investigated by in-situ laboratory parallel-beam X-ray powder diffraction. Data indicate that both phases show essentially the same volume expansion but expansion of the anhydrous form is markedly anisotropic due to the features of the hydrogen-bond network. Under the present experimental conditions, dehydration starts at 66 °C and within the 75 < T < 114 °C the presence of the T α anhydrous polymorphic form has been detected.
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Ballirano, P., Sadun, C. Thermal behavior of trehalose dihydrate (T h) and β-anhydrous trehalose (T β) by in-situ laboratory parallel-beam X-ray powder diffraction. Struct Chem 20, 815–823 (2009). https://doi.org/10.1007/s11224-009-9473-5
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DOI: https://doi.org/10.1007/s11224-009-9473-5