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A portable screen-printing electrode modified by COFDATA-TP with abundant carboxyl and secondary amine groups for simultaneous detection of Hg2+, Cu2+, Pb2+, and Cd2+

Chemical EngineeringSimultaneous DetectionEngineeringBiosensing SystemsElectrochemistryPortable Screen-printing ElectrodeAnalytical ChemistryElectroanalytical SensorChemistryElectrochemical CellSecondary Amine GroupsChemical SensorElectrode Reaction MechanismChromatography