Evaluation of stability constants of metal complexes with sulphonated azo-ligands |
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| Authors: | Abollino O Sarzanini C Mentasti E Liberatori A |
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| Affiliation: | Department of Analytical Chemistry, University of Torino, Via P. Giuria n. 5, 10125 Torino, Italy. |
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| Abstract: | An ion-exchange procedure is described for the determination of the stability constants for cadmium, copper, nickel and manganese complexes with three sulphonated azo ligands: calmagite, alizarin violet N and palatine chrome black. The results, log K values, show a good agreement with those obtained by a spectrophotometric technique. |
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