Study of the reduction of palladium( II ) on a mercury electrode in the presence of dimethylglyoxime | Zendy

Georgieva Marija | Zendy; Pihlar Boris | Zendy

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Study of the reduction of palladium( II ) on a mercury electrode in the presence of dimethylglyoxime

Author(s) -

Georgieva Marija,

Pihlar Boris

Publication year - 1996

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.1140081216

Subject(s) - dimethylglyoxime , chemistry , palladium , adsorption , dropping mercury electrode , stripping (fiber) , electrolyte , inorganic chemistry , supporting electrolyte , mercury (programming language) , adsorptive stripping voltammetry , electrode , electrochemistry , analytical chemistry (journal) , voltammetry , chromatography , cobalt , catalysis , materials science , organic chemistry , composite material , computer science , programming language

The adsorptive behavior of Pd II ions in the presence of dimethylglyoxime (DMG) was investigated using voltammetric techniques. It was found that the bis‐dimethylglyoximato palladium( II ) complex is adsorbed strongly between pH 3 and 5 and between the potentials 0 and −0.3 V (vs. Ag/AgCl). The peak current is proportional to the Pd‐DMG surface concentration, and increases linearly with scan rate (∂log i p /∂ν = 0.97). The adsorptive stripping response was evaluated with respect to pH, the concentration of the electrolyte, the addition of surfactants and the preconcentration potential. From the results a general scheme for the reduction process is given.

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