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Refractive Indices for the Binary Mixtures of N,N-Dimethylformamide with 2-Butanol and 2-Pentanol at Temperatures 303.15 K, 313.15 K, and 323.15 K

Received: 8 December 2018     Accepted: 20 December 2018     Published: 10 January 2019
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Abstract

The refractive index values have been measured as a function of composition range at temperatures 303.15 K, 313.15 K, and 323.15 K and at ambient pressure and reported here. From these data, refractive index deviations, ΔnD, excess molar refraction, RmE, were calculated and correlated by the Redlich-Kister-type polynomial equation to derive the coefficients and estimated the standard deviation values. For both systems, ΔnD were found to be both positive and negative. Excess molar refraction, RmE, versus mole fraction, x1, of N,N-dimethylformamide curves were calculated and found as sigmoid at all temperatures. The variation of these properties with composition and temperature of the binary mixtures were discussed in terms of intermolecular interactions.

Published in American Journal of Physical Chemistry (Volume 7, Issue 4)
DOI 10.11648/j.ajpc.20180704.11
Page(s) 55-62
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

N,N-Dimethylformamide, 2-Butanol, 2-Pentanol, Refractive Index Deviations, Molecular Interactions

References
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    Aklima Jahan, Md. Ashraful Alam, Md. Ashiqur Rahman Khan, Shamim Akhtar. (2019). Refractive Indices for the Binary Mixtures of N,N-Dimethylformamide with 2-Butanol and 2-Pentanol at Temperatures 303.15 K, 313.15 K, and 323.15 K. American Journal of Physical Chemistry, 7(4), 55-62. https://doi.org/10.11648/j.ajpc.20180704.11

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    ACS Style

    Aklima Jahan; Md. Ashraful Alam; Md. Ashiqur Rahman Khan; Shamim Akhtar. Refractive Indices for the Binary Mixtures of N,N-Dimethylformamide with 2-Butanol and 2-Pentanol at Temperatures 303.15 K, 313.15 K, and 323.15 K. Am. J. Phys. Chem. 2019, 7(4), 55-62. doi: 10.11648/j.ajpc.20180704.11

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    AMA Style

    Aklima Jahan, Md. Ashraful Alam, Md. Ashiqur Rahman Khan, Shamim Akhtar. Refractive Indices for the Binary Mixtures of N,N-Dimethylformamide with 2-Butanol and 2-Pentanol at Temperatures 303.15 K, 313.15 K, and 323.15 K. Am J Phys Chem. 2019;7(4):55-62. doi: 10.11648/j.ajpc.20180704.11

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  • @article{10.11648/j.ajpc.20180704.11,
      author = {Aklima Jahan and Md. Ashraful Alam and Md. Ashiqur Rahman Khan and Shamim Akhtar},
      title = {Refractive Indices for the Binary Mixtures of N,N-Dimethylformamide with 2-Butanol and 2-Pentanol at Temperatures 303.15 K, 313.15 K, and 323.15 K},
      journal = {American Journal of Physical Chemistry},
      volume = {7},
      number = {4},
      pages = {55-62},
      doi = {10.11648/j.ajpc.20180704.11},
      url = {https://doi.org/10.11648/j.ajpc.20180704.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20180704.11},
      abstract = {The refractive index values have been measured as a function of composition range at temperatures 303.15 K, 313.15 K, and 323.15 K and at ambient pressure and reported here. From these data, refractive index deviations, ΔnD, excess molar refraction, RmE, were calculated and correlated by the Redlich-Kister-type polynomial equation to derive the coefficients and estimated the standard deviation values. For both systems, ΔnD were found to be both positive and negative. Excess molar refraction, RmE, versus mole fraction, x1, of N,N-dimethylformamide curves were calculated and found as sigmoid at all temperatures. The variation of these properties with composition and temperature of the binary mixtures were discussed in terms of intermolecular interactions.},
     year = {2019}
    }
    

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    T1  - Refractive Indices for the Binary Mixtures of N,N-Dimethylformamide with 2-Butanol and 2-Pentanol at Temperatures 303.15 K, 313.15 K, and 323.15 K
    AU  - Aklima Jahan
    AU  - Md. Ashraful Alam
    AU  - Md. Ashiqur Rahman Khan
    AU  - Shamim Akhtar
    Y1  - 2019/01/10
    PY  - 2019
    N1  - https://doi.org/10.11648/j.ajpc.20180704.11
    DO  - 10.11648/j.ajpc.20180704.11
    T2  - American Journal of Physical Chemistry
    JF  - American Journal of Physical Chemistry
    JO  - American Journal of Physical Chemistry
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    PB  - Science Publishing Group
    SN  - 2327-2449
    UR  - https://doi.org/10.11648/j.ajpc.20180704.11
    AB  - The refractive index values have been measured as a function of composition range at temperatures 303.15 K, 313.15 K, and 323.15 K and at ambient pressure and reported here. From these data, refractive index deviations, ΔnD, excess molar refraction, RmE, were calculated and correlated by the Redlich-Kister-type polynomial equation to derive the coefficients and estimated the standard deviation values. For both systems, ΔnD were found to be both positive and negative. Excess molar refraction, RmE, versus mole fraction, x1, of N,N-dimethylformamide curves were calculated and found as sigmoid at all temperatures. The variation of these properties with composition and temperature of the binary mixtures were discussed in terms of intermolecular interactions.
    VL  - 7
    IS  - 4
    ER  - 

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Author Information
  • Department of Chemistry, University of Chittagong, Chittagong, Bangladesh

  • Department of Chemistry and Bioengineering, Iwate University, Morioka, Japan

  • Department of Chemistry, University of Chittagong, Chittagong, Bangladesh

  • Department of Chemistry, University of Chittagong, Chittagong, Bangladesh

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