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Graphite electrode modified with Indigo Carmine for Cu(II) ions detection
2013
E3S Web of Conferences
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An electrochemical method for Cu(II) determination, based on its reaction with indigo carmine (IC) in alkaline medium and differential pulse voltammetry performed at graphite electrode, was elaborated. The experimental parameters affecting the Cu(II) -IC complex formation (reaction time and pH) were optimized. The linear range of the calibration curve, obtaining by representing the IC oxidation current (E appl = 0.175 V vs. Ag/AgCl,KCl sat ) versus the Cu(II) concentration (pH 10), was from 10
doi:10.1051/e3sconf/20130141035
fatcat:qyvcjatgozh3hfzkvo7nbmzddy