Apr 6 2006
A new Schiff base nickel complex material as modifier for selective electrodes
A series of new materials are providing the opportunity to design new detection systems selective to specific metallic ions. These materials contain polyfunctional units (ligands) able to bind metallic ions. They have potential applications in different areas such as: electrochemistry; bioinorganics; catalysis; metallic deactivators; separation processes; and environmental chemistry among others. Perhaps the most promising and important area these materials could impact is in the development of chemically modified electrodes for use in pollutant detection.
In this study, Perla Elizondo Martínez, Blanca Nájera Martínez and Cecilia Rodríguez de Barbarín from Universidad Autónoma de Nuevo León, looked to evaluate the capability of N,N’- bis(2-nitrobenzyl)ethylendiimine L1, to bind diverse metallic ions such as Ni(II) and Co(II). They also carried out selectivity studies.
The selectivity studies showed that the complex [NiL1]SO4 is very stable at standard temperature and pressure and is currently being tested as a possible modifier of the active surface of an electrode.
According to the preliminary results the modified electrode is able to detect organo chlorinated compounds. However, it is necessary to carry out more studies in order to refine the best conditions for detecting the organic pollutants.
The article is available to view at https://www.azom.com/Details.asp?ArticleID=3351