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Electroanalytical determination of heavy metals in aqueous solutions by using a carbon paste electrode modified with spent coffee grounds

Environmental ElectrochemistryElectrometallurgyChemical EngineeringElectroanalytical DeterminationEngineeringCorrosionEnvironmental EngineeringHeavy MetalsAnalytical ChemistryElectroanalytical SensorChemistrySpent Coffee GroundsElectrode Reaction MechanismElectrochemistry