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用Calvet微量量热计测定了水-乙腈体系30℃,35℃和40℃的超额焓H~E。用DMA—55型精密密度计测定水—乙腈体系10℃,35℃和45℃的超额体积V~E。HE和VE数据用六参数Redlich-Kister方程关联。
The excess enthalpy H ~ E of water-acetonitrile system at 30 ℃, 35 ℃ and 40 ℃ was measured by calvet microcalorimeter. The excess volumes V ~ E at 10 ° C, 35 ° C and 45 ° C of a water-acetonitrile system were determined using a DMA-55 precision densitometer. The HE and VE data are correlated using a six-parameter Redlich-Kister equation.