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Studies with model membranes

Evaluation and comparison of the thermodynamic effective fixed charge density by different methods

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  • Colloid Science
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Summary

Thermodynamic effective fixed charge densities of mercuric phosphate and carbonate parchment supported membranes were evaluated by a number of methods particularly those ofTeorell-Meyer-Sievers, Altug andHair andKobatake et al. The value of the permselectivity was obtained for the two membranes based onKobatake et al. procedure. Membrane transport number was calculated using a modified Nernst relation and compared with the values determined by the TMS method. The theoretical predictions for membrane potential usingKobatake et al. equation are borne out quite satisfactorily by our experimental results for both membrane.

Zusammenfassung

Es wurden die Dichte der fixierten Ladungen von Quecksilberphosphat und Quecksilberkarbonat-Niederschlagsmembranen nach den Methoden vonTorell-Meyer-Sievers, Altug undHair undKobatake bestimmt. Weiterhin wurden Durchlässigkeit und Transportzahlen ermittelt und mit Werten der TMS-Methode verglichen. Theoretische Voraussagen über das Membranpotential nach den Gleichungen vonKobatake stimmen mit den experimentellen Ergebnissen überein.

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Authors and Affiliations

  1. Physical Chemistry Division, Department of Chemistry, Aligarh Muslim University, Aligarh, India

    F. A. Siddiqi, P. Prakash & S. P. Singh

Authors
  1. F. A. Siddiqi
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  2. P. Prakash
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  3. S. P. Singh
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Siddiqi, F.A., Prakash, P. & Singh, S.P. Studies with model membranes. Colloid & Polymer Sci 256, 552–562 (1978). https://doi.org/10.1007/BF01639200

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  • DOI: https://doi.org/10.1007/BF01639200

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