화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.35, No.7, 1488-1499, July, 2018
DOI10.1007/s11814-018-0053-5  Export Citation
Ultrasonic study on binary liquid mixtures of propiophenone with anilines and alkyl substituted anilines at T=303.15 to 318.15 K
Nanduri Gayatri Devi, Nanduri Veera Naga Bala Srinivasa Rao1, Maganti Radha Sirija, and Dittakavi Ramachandran†
  • Acharya Nagarjuna University, Guntur, India
  • 1D. R. Goenka Govt. Degree College, Tadepalligudem, India
E-mail:
Densities 'ρ', ultrasonic speeds of sound 'u' of binary mixtures of propiophenone (PPH) with aniline, NMethylaniline, N,N-dimethylaniline and N,N-diethylaniline were measured over the entire composition range from 303.15 K to 318.15 K and at atmospheric pressure 0.1MPa. Experimental data of ultrasonic sound were compared and discussed with the computed values of 'u' from various velocity theories like Nomoto's relation (UNOM), impedance relation (UIMP), Van Dael and Vangeel's ideal mix relation (UVDV), Rao's specific velocity relation (URAO), Junjie's theory (UJUN) and Jouyban-Acree's (UJOE) relation for the above binary mixtures over the entire mole fraction range at the studied temperatures. The results are satisfactory and are in agreement between the theoretical and the experimental values. Further, the molecular interaction parameter (α), average percentage error and Chi-square test values were computed by using the values of experimental and theoretical ultrasonic velocities. The Δu values were correlated with Redlich-Kister polynomial equation to compute the coefficients and the standard deviations of the binary mixtures. The results were analyzed in terms of intermolecular interactions.
Keywords:Ultrasonic Speed of Sound;Molecular Interaction Parameter;Nomato’s Relation;VanDeel’s Ideal Mixing Relation;Impedance Relation;Junjie’s Relation;Rao’s Specific Velocity and Jouyban-Acree’s Relation for Speed of Sound
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