Refractive Indices of Aqueous Solutions of Isomeric Butylamines at 303.15 K: Experimental and Correlative Approach

  • Muhammad A. R. Khan Department of Chemistry, University of Chittagong, Chittagong-4331, Bangladesh
  • Mohammed Sohel Department of Chemistry, University of Chittagong, Chittagong-4331, Bangladesh
  • Md. Ariful Islam Department of Chemistry, University of Chittagong, Chittagong-4331, Bangladesh
  • Faisal I Chowdhury Department of Chemistry, University of Chittagong, Chittagong-4331, Bangladesh
  • Shamim Akhtar Department of Chemistry, University of Chittagong, Chittagong-4331, Bangladesh
DOI: https://doi.org/10.33736/jaspe.3962.2021
Keywords: Refractive indices, Excess molar refraction, Mixing relations, Isomeric butylamines.

Abstract

Refractive indices () and densities (r) of water (W) + n-butylamine (NBA), + sec-butylamine (SBA) and + tert-butylamine (TBA) systems had been measured in the whole range of composition at 303.15 K, from which deviation in refractive index (DnD ) molar refraction (Rm) and excess molar refraction () had been evaluated. All of the derived properties were fitted to appropriate polynomials. DnD were fitted to the Redlich-Kister polynomial equation. Values of DnD were all positive and were all negative which were attributed to cross hydrogen bonding, specific interactions as well as interstitial accommodation effect. A comparative study of Lorentz-Lorenz (L-L), Weiner (W), Heller (H), Gladstone-Dale (G-D), Arago-Biot (A-B), Eykman (Eyk), Newton (Nw), Eyring-John (E-J) and Oster (Os) relations for determining the refractive index of a liquid had been carried out to test their validity for the three binaries over the entire mole fraction range of butylamines at 303.15 K.

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Journal of Applied Science & Process Engineering, Volume 8, Number 2, 2021
Published
2021-10-31
How to Cite
Khan, M. A. R., Mohammed Sohel, Md. Ariful Islam, I Chowdhury, F., & Shamim Akhtar. (2021). Refractive Indices of Aqueous Solutions of Isomeric Butylamines at 303.15 K: Experimental and Correlative Approach. Journal of Applied Science & Process Engineering, 8(2), 1020-1030. https://doi.org/10.33736/jaspe.3962.2021
Issue
Vol 8 No 2 (2021): Journal of Applied Science & Process Engineering, Volume 8, Number 2, 2021
Section
Articles

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