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Volumetric Properties of Sodium Chlorobenzoate in N,N Dimethylformamide/water Mixtures at 298.15 K
Authors:LI Shu qin  HU Xin gen  YU Jia miao  LIN Rui sen and ZONG Han xing
Institution:LI Shu qin,HU Xin gen,YU Jia miao,LIN Rui sen ** and ZONG Han xing
Abstract:Densities of sodium chlorobenzoate( o , m , p ) were measured in solutions up to 80 weight percent dimethylformamide(DMF) at 298 15 K with an oscillating tube densimeter. From these densities, apparent molar volumes of sodium chlorobenzoate in DMF H 2O mixtures were calculated, and partial molar volumes at infinite dilution were evaluated. Substituent and solvent effects on transfer volumes of each isomer from water to DMF H 2O mixed solvents were obtained. The results are explained in terms of solvent structure and solute solvent interaction.
Keywords:Sodium chlorobenzoate  DMF  water mixed solvent  Volumetric property
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