A Method for the polarographic determination of the stability constants of mixed complexes |
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| Authors: | J.C. Rodríguez-Placeres G. Ruiz-Cabrera J.A. Sánchez A. Arévalo |
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| Affiliation: | Department of Physical Chemistry, University of La Laguna, Tenerife, Canary Islands Spain |
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| Abstract: | A new method for determining the stability constants of mixed complexes is proposed which is especially appropriate when only the mixed complex 1:1:1 is formed. In order to verify this method, the coordinate system Pb(II)-SCN?-NO?3 has been studied polarographically in aqueous medium of a constant ionic strength of μ = 1.0 M. Using our knowledge of the stability constants of simple complexes and applying this method we obtain β11 = 8 for the mixed complex. |
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