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Pseudopolarography of totally irreversible redox reactions (CROSBI ID 77114)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Branica, Gina ; Lovrić, Milivoj Pseudopolarography of totally irreversible redox reactions // Electrochimica acta, 42 (1997), 8; 1247-1251-x

Podaci o odgovornosti

Branica, Gina ; Lovrić, Milivoj

engleski

Pseudopolarography of totally irreversible redox reactions

Properties of pseudopolarograms of inert complexes of metal ions and polydentate ligands are described and their application in speciation measurements is discussed. Pseudopolarography can be used to distinguish labile metal complexes from the inert complex species and to estimate the distribution of metal ions at a trace level. Pseudopolarograms of Pb(II)-nitrilotriacetic acid chelate were analysed and the stability constant log(k)=11.9 of the complex, the pseudopolarographic half-wave potential E_1/2=-0.65 V vs Ag/AgCl, the charge transfer coefficient alpha=0.4 and the standard rate constant k_s=2 x 10^(-3) cm/s^(-1) of its redox reaction were determined.

Trace-metal speciation; Anodic-stripping voltammetry; Stability constants; ASV; Zinc; Polarograms; Simulation; Electrode

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Podaci o izdanju

42 (8)

1997.

1247-1251-x

objavljeno

0013-4686

Povezanost rada

Kemija

Indeksiranost