Excess Volumes of N,N-Dimethylformamide with Ketones at 303.15 K

Excess volumes, V E, of binary liquid mixtures of N, N -dimethylformamide with methyl propyl ketone, diethyl ketone, methyl isobutyl ketone, methyl isopropyl ketone, and cyclohexanone at 303.15 K have been measured with a dilatometer. Excess volumes are negative for the systems of N, N -dimethylformamide with methyl propyl ketone, diethyl ketone, methyl isobutyl ketone, and methyl isopropyl ketone and are positive for N, N -dimethylformamide with cyclohexanone at 303.15 K.