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1 Laboratory of Materials and Electrochemistry– LME, University of CEUMA UNICEUMA, 65.065470, São Luís, MA, Brazil 2 Institute of Chemistry, Federal University of Alfenas – UNIFAL-MG, 37130-000, Alfenas, MG, Brazil 3 Nucleus of Pesticide Residue AnalysisNARP, Federal University of Maranhão – UFMA, 65.080040, São Luís, MA, Brazil 4 Institute of Chemistry, State University of Campinas UNICAMP, Inorganic Chemistry, Campinas, SP, Brazil * E-mail: paulo.villis@ceuma.br

Copper(II) Trace Determination in Aqueous/Ethanolic Medium Using an Ionic Imprinted Hybrid