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在288.15～328.15K下,用光度法测定RbBPh_4在直链一元醇中的溶解度.计算并讨论RbBPh_4由水至直链一元醇中的标准迁移热力学函数,经微机曲线拟合给出△_(tr)G-w→s,△_(tr)S_w→s随温度及碳原子数的经验关系:△_(tr)G_w→s=-20.3504+6.6005×10~(-5)T~2+(14.6628lgn)/(1-7.7713×10~(-9)T~3)△_(tr)S_(w→s)=-0.1320T-(3.4185×10~(-4)T~2lgn)/(1-7.7713×10~(-9)T~3)~2用Born模型及单层结构模型对标准迁移自由能变化规律进行定性与定量的解释.
The solubility of RbBPh_4 in linear monohydric alcohols was determined by spectrophotometry at 288.15 ~ 328.15 K. The standard thermodynamic function of RbBPh_4 from water to linear monohydric alcohols was calculated and discussed. The curve of △ _ (tr ) Gw → s, △ _ (tr) S_w → s Empirical relationship with temperature and number of carbon atoms: △ _ (tr) G_w → s = -20.3504 + 6.6005 × 10 -5 T ~ 2 + (14.6628lgn ) / (1-7.7713 × 10 -9 T -3) Δ_ (tr) S_ (w → s) = -0.1320T- (3.4185 × 10 -4 T 2lgn) / (1- 7.7713 × 10 ~ (-9) T ~ 3) ~ 2 The Born model and the single-layer structure model were used to explain the regularity of free energy change.