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Digitale Medien

Thermodynamics of water/β-cyclodextrin system (1997)

Marini, A. ; Berbenni, V. ; Bruni, G. ; [weitere]

Springer

Journal of thermal analysis and calorimetry 50 (1997), S. 137-144

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Details

ISSN: 1572-8943

Schlagwort(e): β-cyclodextrins ; dehydration enthalpies ; water interactions

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract The thermodynamics of β-cyclodextrin dehydration is investigated, by parallel DSC/TG experiments, on both fully and partially hydrated samples. The apparent dehydration enthalpies per mole of water are impossibly high and this fact suggests that another phenomenon, in addition to the rupture of the β-cyclodextrin/H2O hydrogen bonds, contributes to the peak area. All the experimental evidence agrees with an ‘interaction model’ which assumes that deydration is accompanied by a slow and reversible rearrangement of the β-cyclodextrin structure.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01979556

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