期刊
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
卷 94, 期 3, 页码 695-698出版社
SPRINGER
DOI: 10.1007/s10973-008-9356-9
关键词
DNA; gravimetric adsorption; heat of adsorption; microcalorimeter; water vapour
DNA adsorbed very low amount of water at low relative humidities, amount of adsorption increased to 140% at 98% relative humidity at 25A degrees C. Heat of adsorption was 109 kJ mol(-1) H2O for the increase of moisture content from 0 to 1.96%. At higher moisture contents the heat released approached heat of condensation of water vapour on free liquid surface, 40 kJ mol(-1) H2O.
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