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Citrate increases glass transition temperature of vitrified sucrose preparations

By E.P.W. Kets, P.J. Lipelaar, F.A. Hoekstra and H. Vromans


The aim of this study was to investigate the effect of sodium citrate on the properties of dried amorphous sucrose glasses. Addition of sodium citrate to a sucrose solution followed by freeze-drying or convective drying resulted in a glass transition temperature (T-g) that was higher than the well-studied sucrose T-g. This result was obtained either at reduced water content of the analysed sample or by removal of water during Modulated DSC analysis. After removal of the remaining water

Year: 2004
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Provided by: NARCIS
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