Determination of the dissociation potentials of metal complexes by computerized flow‐injection potentiometric stripping analysis | Zendy

Fayyad Manar | Zendy

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Determination of the dissociation potentials of metal complexes by computerized flow‐injection potentiometric stripping analysis

Author(s) -

Fayyad Manar

Publication year - 1990

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.1140020810

Subject(s) - potentiometric titration , dissociation (chemistry) , chemistry , bismuth , stripping (fiber) , metal , flow injection analysis , inorganic chemistry , analytical chemistry (journal) , electrode , chromatography , detection limit , materials science , organic chemistry , composite material

A method is described for determining the dissociation potentials of metal complexes using computerized flow‐injection potentiometric stripping analysis (CFIPSA). The dissociation potentials of Bi:NTA and Bi:EDTA complexes are determined at pH 2 by measuring the bismuth(III) concentrations (i.e., the counts in solutions containing the 1:1 complexes at different deposition potentials between −0.15 and −0.90 V vs. Ag/AgCl). Dissociation potentials of −0.35 and −0.50 V vs. Ag/AgCl have been found for Bi:NTA and Bi:EDTA, respectively.

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