Monitoring WAD Cyanide Concentration in River Waters with a Glassy Carbon Electrode Modified with 9,10-Phenanthroquinone
Andy A. Cardenas-Riojas,
Sandy L. Calderon-Zavaleta,
Ulises Quiroz-Aguinaga
et al.
Abstract:Heavy metal-containing industrial effluent streams from electroplating and metalworking industries represent a major environmental issue. They contain metal cyanide complexes ([Ni(CN)4]2- and [Cu(CN)3]2-) referred to as weak acid dissociable cyanide (CN-WAD), which require continuous in situ monitoring. In this scenario, a glassy carbon (GC) electrode superficially decorated with 9,10-phenanthroquinone (FNQ) is manufactured and employed for the simultaneous electrochemical monitoring of cyanide WAD complexes. … Show more
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