alexa Dielectric Studies on Polar Binary Mixtures of p-Hydroxy Dodecyl Benzoate and Isoproponal
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
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Research Article

Dielectric Studies on Polar Binary Mixtures of p-Hydroxy Dodecyl Benzoate and Isoproponal

S. Sreehari Sastry1,*, N.K.S.P.S.Sarma1, S. Salma Begum2 and Ha Sie Tiong3
  1. Professor, Department of Physics, Acharya Nagarjuna University, Nagarjunanagar-522510, A.P., India
  2. Research Scholar, Department of Physics, Acharya Nagarjuna University, Nagarjunanagar-522510, A.P., India
  3. Assistant Professor, Department of Physics, K.L. University, Vaddeswaram-522 502, A.P. India
  4. Professor, Departmant of Chemical Science, Faculty of Science, Universiti Tunku Abdul Rahman, Jalan Universiti, Bandar Barat, 31900 Kampar, Perak., Malaysia
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Abstract

The molecular interactions between the polar systems of p-hydroxy dodecyl benzoate(12HB) and Isoproponal for various volume fractions were studied at room temperature to determine the frequency dependent complex dielectric permittivity using Abbe’s refractometer for optical (1015Hz) frequency, the cavity perturbation technique for the microwave frequency at 10GHz (X-Band),and LCR meter at 1KHz. The Relaxation times and dipole moments for the binary mixtures were calculated using Higasi’s method and compared them with theoretical values. The formation of Hydrogen bond between the polar system as caused for the variations in the dipole moments and relaxation times in binary mixtures for different concentrations. The conformational analysis of the formation of hydrogen bond between dodecyl hydroxyl benzoate and isopropyl alcohol is supported by the experimental FTIR spectral studies and theoretical computational methods.

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