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Direct voltammetric determination of oxytetracycline (OTC) at a zinc cation-exchanged montmorillonite modified glassy carbon electrode (Zn-Mt/GCE) was described. The OTC yielded one well-defined oxidation peak at the Zn-Mt/GCE. The experimental parameters, which influence the voltammetric responses of OTC, e.g., the pH value, scan rate and accumulation condition, were optimized. The oxidation peak...
A simple and novel electrochemical sensor for the determination of tetracycline (TC), a kind of antibiotic that may induce residue in the food chain, was developed by the modification of iron/zinc cation–exchanged montmorillonite (Fe/Zn–MMT) catalyst on glassy carbon electrode (GCE). The morphology and the structure of the Fe/Zn–MMT nanomaterial were characterized by scanning electron microscopy and...
In this work, a novel phosphotungstic acid/neutral red intercalated montmorillonite composite (PTA/NR–MMT) film was prepared by layer-by-layer assembling on a graphite electrode (GE). The PTA/NR–MMT/GE exhibited excellent electrocatalytic effect for the oxidation of alkylene group in methyl jasmonate (MeJA). The synergistic effect of the good conductivity and high adsorption capacity of MMT and the...
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