화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.20, No.2, 405-418, March, 2014
DOI10.1016/j.jiec.2013.04.035  Export Citation
Volumetric, speed of sound data and viscosity at (303.15 and 308.15) K for the binary mixtures of N,N-dimethylaniline + aliphatic ketones (C3-C5), +4-methyl-2-pentanone, +acetophenone, +cyclicketones
M. Gowrisankar, P. Venkateswarlu1, K. Siva kumar2, and S. Sivarambabu3, †
  • Department of Chemistry, J.K.C. College, Guntur 522006, India
  • 1Department of Chemistry, S.V. University, Tirupathi 517502, India
  • 2Department of Chemistry, S.V. Arts U.G. & P.G. College (T.T.D’S), Tirupathi 517502, India
  • 3Research Supervisor in chemistry, Acharya Nagarjuna University, Guntur, India
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Measurement of densities (r), ultrasonic sound speeds (u) and viscosities (h) has been carried out for binary mixtures of N,N-dimethylaniline (N,N-DMA) with acetone(AC), methylethylketone (MEK), methylpropylketone (MPK), diethylketone (DEK), methylisobutylketone (MIBK), acetophenone (AP), cyclopentanone (CP), cyclohexanone (CH) and 2-methylcyclohexanone (Me-CH) and their pure liquids at (303.15 K and 308.15) K over the entire composition range. These experimental data have been used to calculate the excess molar volume (VE), deviation in ultrasonic sound velocity (△u), deviation in isentropic compressibility (△ks) and deviation in viscosity (△η) were evaluated. The variation of these properties with composition of the mixtures suggests dipole-dipole interactions and charge transfer complex formation between N,N-dimethylaniline and ketones. The magnitude of the property is found to depend on the chain length of the ketones molecule. These results have been fitted to the Redlich-Kister polynomial equation. The viscosity data have been correlated using three equations; Grunberg and Nissan, Katti and Chaudhri, Hind et al. for the system studied.
Keywords:N,N-dimethylaniline;Ketones;Ultrasonic sound speed;Viscosity;Density;Excess thermodynamic parameters
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