Abstract
The electrochemical oxidation—reduction processes of copper, cadmium and lead in the presence of humic acid (HA) in sodium chloride solutions were compared, taking into account the differences in the speciation of these heavy metal ions and the type of the HA used. The complexion properties of HA for the metal ions in the solution were studied. The adsorption properties of the HA and the influence of the adsorbed layer of HA formed at the mercury electrode/solution interface were examined. The electrochemical processes of copper ions are mainly influenced by the complexation properties of HA, whereas cadmium and lead are mainly influenced by the presence of the adsorbed layer of HA on the electrode surface.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
