Journal :   Asian Journal of Research in Chemistry

Volume No. :   4

Issue No. :  6

Year :  2011

Pages :   984-985

ISSN Print :  0974-4169

ISSN Online :  0974-4150


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Polarographic Study of La (III) - 3-Hydroxy-3-P-Chlorophenyl-1-P-Sulphonato (Sodium Salt) Phenyltriazene Complex



Address:   Dipen Upadhyay, Pooja Joshi, Neelam Pareek, Girdharpal Singh, A.K. Goswami* and R.S. Chauhan
Department of Chemistry, M.L. Sukhadia University.Udaipur -313001 (Raj.),
*Corresponding Author
DOI No:

ABSTRACT:
The electrochemical behavior of complex of La (III) with 3-hydroxy-3-p-chlorophenyl-1-p-sulphonato (sodium salt) phenyltriazene (HCST) was studied. It was observed that HCST forms 1:1 complex with La (III) in Citric acid and Na2HPO4 buffer solution between pH 6.0 to 7.5. It was found that the reduction process of La (III) – HCST complex is three electron reversible reduction process. The stability constant of the 3-hydroxy-3-p-chlorophenyl-1-p-sulphonato (sodium salt) phenyltriazene complex was evaluated with the Lingane method at different ligand concentrations. The logarithm value of stability constant of 1:1 La (III) - HCST complex is 18.78.
KEYWORDS:
Hyroxytriazene, Polarography, La (III) - HCST complex.
Cite:
Dipen Upadhyay, Pooja Joshi, Neelam Pareek, Girdharpal Singh, A.K. Goswami, R.S. Chauhan. Polarographic Study of La (III) - 3-Hydroxy-3-P-Chlorophenyl-1-P-Sulphonato (Sodium Salt) Phenyltriazene Complex. Asian J. Research Chem. 4(6): June, 2011; Page 984-985.
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