ポリエチレングリコ-ルを含む水性2相分配系に対するベンゼン誘導体の分配係数

概要

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The liquid-liquid equilibria of the aqueous two-phase systems consisting of polyethylene glycol (Mw=7, 500) (1) -dipotassium hydrogenphosphate (2) -water (3), polyethylene glycol (1) -ammonium sulfate (2) -water (3) and polyethylene glycol (1) -dextran (Mw=515, 000, Mn =195, 300) (2) -water (3) were measured at 25°C. The partition coefficients of 15 benzene derivatives in these aqueous two-phase systems were also determined at 25°C. Further, the osmotic virial equation was used to correlate the liquid-liquid equilibria of the aqueous two-phase systems and the partition coefficients of 15 benzene derivatives. An estimation of the partition coefficients was attempted by using molecular connectivity indices.
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