Journal of Surface Science and Technology

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Evaluation of the Relative Contribution of Electrostatic and Hydrophobic Effects on the Binding Constants of Some Co(III) Complexes Using Gel Filtration Technique


Affiliations
1 Chemistry Department, University College of Science, M.L.S. University, Udaipur 313001, India
     

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The binding constant, K, of [Co(en)3]3+, [CO(II)]2+, [Co(NH3)5Cl]2+, trans-[Co(en)2Cl2]+ and [Co(NH3)3 (NO2)3]0 defined in terms of the partitioning between bulk aqueous phase and micellar pseudophase, using gel filtration chromatography employing Sephadex G-25 fine and sodium dodecylsulphate, SDS. The variation of K with charge types is explained on the basis of the role of both electrostatic and hydrophobic effects.

Keywords

Binding Constant, K, Partition Coefficient, Co Complexes.
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  • Evaluation of the Relative Contribution of Electrostatic and Hydrophobic Effects on the Binding Constants of Some Co(III) Complexes Using Gel Filtration Technique

Abstract Views: 224  |  PDF Views: 3

Authors

Neeta Sharma
Chemistry Department, University College of Science, M.L.S. University, Udaipur 313001, India
R. K. Dangi
Chemistry Department, University College of Science, M.L.S. University, Udaipur 313001, India
S. N. Joshi
Chemistry Department, University College of Science, M.L.S. University, Udaipur 313001, India
R. Shanker
Chemistry Department, University College of Science, M.L.S. University, Udaipur 313001, India

Abstract


The binding constant, K, of [Co(en)3]3+, [CO(II)]2+, [Co(NH3)5Cl]2+, trans-[Co(en)2Cl2]+ and [Co(NH3)3 (NO2)3]0 defined in terms of the partitioning between bulk aqueous phase and micellar pseudophase, using gel filtration chromatography employing Sephadex G-25 fine and sodium dodecylsulphate, SDS. The variation of K with charge types is explained on the basis of the role of both electrostatic and hydrophobic effects.

Keywords


Binding Constant, K, Partition Coefficient, Co Complexes.