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Title
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Construction and Application of an Electrochemical Sensor for Simultaneous Determination of Cd(II), Cu(II) and Hg(II) in Water and Foodstuff Samples
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Type
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JournalPaper
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Keywords
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Ligand coated magnetite nanoparticles carbon paste electrode, Simultaneous heavy metals determination, Square wave anodic stripping voltammetry, Foodstuff samples, Water samples
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Abstract
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By incorporation of synthesized magnetite nanoparticles (Fe3O4 NPs) coated with a new Schiff base into carbon paste electrode, a novel modified electrode was constructed for simultaneous determination of ultra trace amounts of Cd(II), Cu(II) and Hg(II). The complexation reaction of Schiff base with metal ions was studied spectrophotometrically. Under optimal conditions a detection limit of 0.20, 0.90 and 1.00 ng mL−1 for Cd(II), Cu(II) and Hg(II), respectively, was obtained. We take the advantages of the proposed method for simple, rapid, sensitive and selective simultaneous determination of trace amounts of hazardous Cd(II), Cu(II) and Hg(II) in water and foodstuff samples.
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Researchers
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Misagh Mirzaei-Monsef (Not In First Six Researchers), ameneh Ramezani Aktij (Fifth Researcher), Hassan Keypour (Fourth Researcher), Tayyebeh Madrakian (Third Researcher), (Second Researcher), Abbas Afkhami (First Researcher)
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