American Journal of Polymer Science and Technology

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Studies with Model Membrane: Determination of Fixed Charge Density of Silver Sulfite Membrane

Received: 17 September 2016    Accepted: 10 November 2016    Published: 05 December 2016
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Abstract

Parchment-supported silver sulfite membrane has been prepared by the interaction method. The membrane potential across the membrane in contact with different 1:1 electrolytes has been measured. The experimentally measured membrane potential values were used to evaluate the thermodynamically effective fixed charge density of the membrane-electrolyte systems using Teorell, Meyer, and Sievers (T. M. S.), Altug and Hair, and Kobatake et. al. theories. The values of effective charge densities were quite low (they were in order of 10-2 – 10-3 eq/l) and hence very difficult to determine by usual exchange methods. The values of effective charge densities by different theories were the same order of magnitude for each membrane-electrolyte system. The theoretical predictions for membrane potential were borne out quite satisfactorily by experimental results obtained with the membranes. Apparent transference numbers of coions and permselectivity values of the membrane-electrolytes have also been calculated. A method based on permselectivity values for determination of charge density was also used. It was interesting to note that the charge densities evaluated from two methods of Kobatake and co-workers gave similar values and that the results were comparable to those derived from the TMS method.

DOI 10.11648/j.ajpst.20160202.12
Published in American Journal of Polymer Science and Technology (Volume 2, Issue 2, November 2016)
Page(s) 28-33
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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), 2024. Published by Science Publishing Group

Keywords

Membrane Potential, Fixed Charge Density, Permselectivity, Parchment Supported Membrane

References
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[2] V. K. Shahi, K. Mahendra, P. T. Bijay, “Ionic transport phenomenon across sol–gel derived organic–inorganic composite mono-valent cation selective membranes” J. Membr. Sci. vol. 340, pp. 52-61, 2009
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[5] M. M. A. Khan, Rafiuddin, Inamuddin, “Investigation of transport properties of polyvinyl chloride based polyvinyl alcohol Sn(IV) tungstate composite membrane” J. of Ind. Eng. Chem., vol. 18, pp. 1813-1818, 2012
[6] Y. S. Lin, A. J. Burggraaf, “Preparation and characterization of high-temperature thermally stable alumina membrane composites” J. Am. Ceram. Soc. Vol. 74, pp. 219-224, 1991
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[14] K. M. Elsherif, A. El-Hashani, A. El-Dali, “Potentiometric Determination of Fixed Charge Density and Permselectivity for Silver Thiosulphate membrane” J. Appl. Chem. vol. 2, pp. 1543-1551, 2013
[15] K. M. Elsherif, A. El-Hashani, A. El-Dali, “Potentiometric determination of fixed charge density and permselectivity for Thallium Chromate membrane” Ann. Chemischen Forschung vol. 1, pp. 15-25, 2013
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Author Information
  • Chemistry Department, Faculty of Science, University of Benghazi, Benghazi, Libya

  • Chemistry Department, Faculty of Arts and Science, University of Benghazi, Benghazi, Libya

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    Khaled Muftah Elsherif, Maisson Mohammed Yaghi. (2016). Studies with Model Membrane: Determination of Fixed Charge Density of Silver Sulfite Membrane. American Journal of Polymer Science and Technology, 2(2), 28-33. https://doi.org/10.11648/j.ajpst.20160202.12

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    ACS Style

    Khaled Muftah Elsherif; Maisson Mohammed Yaghi. Studies with Model Membrane: Determination of Fixed Charge Density of Silver Sulfite Membrane. Am. J. Polym. Sci. Technol. 2016, 2(2), 28-33. doi: 10.11648/j.ajpst.20160202.12

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    AMA Style

    Khaled Muftah Elsherif, Maisson Mohammed Yaghi. Studies with Model Membrane: Determination of Fixed Charge Density of Silver Sulfite Membrane. Am J Polym Sci Technol. 2016;2(2):28-33. doi: 10.11648/j.ajpst.20160202.12

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  • @article{10.11648/j.ajpst.20160202.12,
      author = {Khaled Muftah Elsherif and Maisson Mohammed Yaghi},
      title = {Studies with Model Membrane: Determination of Fixed Charge Density of Silver Sulfite Membrane},
      journal = {American Journal of Polymer Science and Technology},
      volume = {2},
      number = {2},
      pages = {28-33},
      doi = {10.11648/j.ajpst.20160202.12},
      url = {https://doi.org/10.11648/j.ajpst.20160202.12},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ajpst.20160202.12},
      abstract = {Parchment-supported silver sulfite membrane has been prepared by the interaction method. The membrane potential across the membrane in contact with different 1:1 electrolytes has been measured. The experimentally measured membrane potential values were used to evaluate the thermodynamically effective fixed charge density of the membrane-electrolyte systems using Teorell, Meyer, and Sievers (T. M. S.), Altug and Hair, and Kobatake et. al. theories. The values of effective charge densities were quite low (they were in order of 10-2 – 10-3 eq/l) and hence very difficult to determine by usual exchange methods. The values of effective charge densities by different theories were the same order of magnitude for each membrane-electrolyte system. The theoretical predictions for membrane potential were borne out quite satisfactorily by experimental results obtained with the membranes. Apparent transference numbers of coions and permselectivity values of the membrane-electrolytes have also been calculated. A method based on permselectivity values for determination of charge density was also used. It was interesting to note that the charge densities evaluated from two methods of Kobatake and co-workers gave similar values and that the results were comparable to those derived from the TMS method.},
     year = {2016}
    }
    

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    T1  - Studies with Model Membrane: Determination of Fixed Charge Density of Silver Sulfite Membrane
    AU  - Khaled Muftah Elsherif
    AU  - Maisson Mohammed Yaghi
    Y1  - 2016/12/05
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    N1  - https://doi.org/10.11648/j.ajpst.20160202.12
    DO  - 10.11648/j.ajpst.20160202.12
    T2  - American Journal of Polymer Science and Technology
    JF  - American Journal of Polymer Science and Technology
    JO  - American Journal of Polymer Science and Technology
    SP  - 28
    EP  - 33
    PB  - Science Publishing Group
    SN  - 2575-5986
    UR  - https://doi.org/10.11648/j.ajpst.20160202.12
    AB  - Parchment-supported silver sulfite membrane has been prepared by the interaction method. The membrane potential across the membrane in contact with different 1:1 electrolytes has been measured. The experimentally measured membrane potential values were used to evaluate the thermodynamically effective fixed charge density of the membrane-electrolyte systems using Teorell, Meyer, and Sievers (T. M. S.), Altug and Hair, and Kobatake et. al. theories. The values of effective charge densities were quite low (they were in order of 10-2 – 10-3 eq/l) and hence very difficult to determine by usual exchange methods. The values of effective charge densities by different theories were the same order of magnitude for each membrane-electrolyte system. The theoretical predictions for membrane potential were borne out quite satisfactorily by experimental results obtained with the membranes. Apparent transference numbers of coions and permselectivity values of the membrane-electrolytes have also been calculated. A method based on permselectivity values for determination of charge density was also used. It was interesting to note that the charge densities evaluated from two methods of Kobatake and co-workers gave similar values and that the results were comparable to those derived from the TMS method.
    VL  - 2
    IS  - 2
    ER  - 

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