Solubility of paracetamol in binary and ternary mixtures of water plus acetone plus toluene

被引:72
作者
Granberg, RA [1 ]
Rasmuson, ÅC [1 ]
机构
[1] Royal Inst Technol, Dept Chem Engn & Technol, SE-10044 Stockholm, Sweden
关键词
D O I
10.1021/je990272l
中图分类号
O414.1 [热力学];
学科分类号
摘要
The solubility of paracetamol (4-hydroxyacetanilide) in binary mixtures of acetone + water and acetone + toluene and in ternary mixtures of water + acetone + toluene is reported. The temperature range is -5 to +30 degrees C. In acetone + water the solubility increases to a maximum at approximately 25 mass % water before decreasing to a much lower value in pure water as compared to pure acetone. In acetone + toluene the solubility decreases monotonically with increasing toluene concentration. The water content has a strong influence also in ternary mixtures. Activity coefficients in the saturated solutions are estimated.
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页码:478 / 483
页数:6
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