Dielectric & Physiochemical Characterization of Nitromethane with DMSO at 293.15 K

Abstract

The present paper reports study of dielectric & physicochemical properties like dielectric constant, viscosity, density and refractive index for the binary mixtures of Nitromethane (NM) and Dimethylsulphoxide (DMSO) over the entire concentration range were measured at 293.15K. The experimental data further used to determine the Bruggeman factor, and excess properties viz. excess density, excess viscosity, and excess refractive index. The values of excess properties further fitted with Redlich-Kister equation. Excess properties were used to indicate the presence of intermolecular interactions and strength of intermolecular interactions between the molecules in the binary mixtures

Microwave dielectric relaxation & polarization study of binary mixture of methylethylketone with nitrobenzene

“…The excess inverse relaxation time provides details about the dynamics of solute-solvent interaction. Positive excess inverse relaxation time designates that the solute-solvent interaction has produced such a field that the effective dipoles rotate rapidly [15]. This rapid rotation of dipoles is due to specific interaction between MEK and NB.…”

“…Excess parameters. The general formula for calculating the excess parameters [15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32] is given below…”

“…Any deviation from this linear relation indicates molecular interactions. The excess parameters were fitted to the Redlich-Kister equation [13][14][15][16]. The quantitative picture can be visualized by fitting excess properties.…”

“…TDR setup and data acquisition. The complex permittivity spectra were studied with the time domain reflectometry (TDR) technique as explained in [10][11][12][13][14][15]. The Hewlett Packard HP 54750 sampling oscilloscope with HP54754A TDR plug in module has been used.…”

“…Solubility of the liquid is directly associated with the dielectric constant of the liquid [3,[10][11][12]. Literature survey reveals that dielectric study of alcohols, ionic liquids, glycols, sulfates, diallyl sulphoxide, benzyl alcohol as a solvent has been carried out but dielectric study of MEK and NB has been rarely carried out [12][13][14][15][16][17][18][19][20][21][22][23][24][25][26]. So the study of MEK with NB is essential and hence carried out in this study.…”