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A Solution Study of Complex Formation of Some Diamines with Lanthanones

To study the metal ligand equilibrium in aqueous solution, the well known Irving-Rossotti titration method was used. The temperature selected is 30±0.1 0 C at ionic strength 0.2 M (NaClO 4 ) which was maintained constant through out the work. The binary metal complex (ML 2 ) formation was studied. T... Full description

Journal Title: E-Journal of Chemistry 01 January 2009, Vol.6(1), pp.270-272
Main Author: J. J. Vora
Other Authors: D. R. Patel , Asha D. Patel , Kanu Patel , Sangita Sharma , Laxman S. Bhutadiya , Sunil B. Vasava
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0973-4945 ; E-ISSN: 2090-9810 ; DOI: 10.1155/2009/205983
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title: A Solution Study of Complex Formation of Some Diamines with Lanthanones
format: Article
creator:
  • J. J. Vora
  • D. R. Patel
  • Asha D. Patel
  • Kanu Patel
  • Sangita Sharma
  • Laxman S. Bhutadiya
  • Sunil B. Vasava
subjects:
  • Chemistry
ispartof: E-Journal of Chemistry, 01 January 2009, Vol.6(1), pp.270-272
description: To study the metal ligand equilibrium in aqueous solution, the well known Irving-Rossotti titration method was used. The temperature selected is 30±0.1 0 C at ionic strength 0.2 M (NaClO 4 ) which was maintained constant through out the work. The binary metal complex (ML 2 ) formation was studied. The metals selected are Sm 3+ , Gd 3+ , Dy 3+ and Yb 3+ . The diamine ligands taken are ethylenediamine, 1,2 diamino propane, 1,3 diamino propane, N-N diethyl ethylenediamine and N-N - dimethyl ethylenediamine. Factors that affected the stability of the complexes are size and ionic potential of lanthanone ions, basicity of ligands, ring size and steric effect of ligands.
language: eng
source:
identifier: ISSN: 0973-4945 ; E-ISSN: 2090-9810 ; DOI: 10.1155/2009/205983
fulltext: fulltext_linktorsrc
issn:
  • 0973-4945
  • 09734945
  • 2090-9810
  • 20909810
url: Link


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descriptionTo study the metal ligand equilibrium in aqueous solution, the well known Irving-Rossotti titration method was used. The temperature selected is 30±0.1 0 C at ionic strength 0.2 M (NaClO 4 ) which was maintained constant through out the work. The binary metal complex (ML 2 ) formation was studied. The metals selected are Sm 3+ , Gd 3+ , Dy 3+ and Yb 3+ . The diamine ligands taken are ethylenediamine, 1,2 diamino propane, 1,3 diamino propane, N-N diethyl ethylenediamine and N-N - dimethyl ethylenediamine. Factors that affected the stability of the complexes are size and ionic potential of lanthanone ions, basicity of ligands, ring size and steric effect of ligands.
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To study the metal ligand equilibrium in aqueous solution, the well known Irving-Rossotti titration method was used. The temperature selected is 30±0.10C at ionic strength 0.2 M (NaClO4) which was maintained constant through out the work. The binary metal complex (ML2) formation was studied. The metals selected are Sm3+, Gd3+, Dy3+ and Yb3+. The diamine ligands taken are ethylenediamine, 1,2 diamino propane, 1,3 diamino propane, N-N diethyl ethylenediamine and N-N -dimethyl ethylenediamine. Factors that affected the stability of the complexes are size and ionic potential of lanthanone ions, basicity of ligands, ring size and steric effect of ligands.

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To study the metal ligand equilibrium in aqueous solution, the well known Irving-Rossotti titration method was used. The temperature selected is 30±0.10C at ionic strength 0.2 M (NaClO4) which was maintained constant through out the work. The binary metal complex (ML2) formation was studied. The metals selected are Sm3+, Gd3+, Dy3+ and Yb3+. The diamine ligands taken are ethylenediamine, 1,2 diamino propane, 1,3 diamino propane, N-N diethyl ethylenediamine and N-N -dimethyl ethylenediamine. Factors that affected the stability of the complexes are size and ionic potential of lanthanone ions, basicity of ligands, ring size and steric effect of ligands.

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