EXCESS VOLUMES OF N'N-DIMETHYLFORMAMIDE WITH KETONES AT 303.15 K

Excess volumes, V-E, Of binary liquid mixtures of N,N-dimethylformamid e with methyl propyl ketone, diethyl ketone, methyl isobutyl ketone, m ethyl isopropyl ketone, and cyclohexanone at 303.15 K have been measur ed with a dilatometer. Excess volumes are negative for the systems N,N -dimethylformamide with methyl propyl ketone, diethyl ketone, methyl i sobutyl ketone, and methyl isopropyl ketone and are positive for N,N-d imethylformamide with cyclohexanone at 303.15 K.