Optimization of analytical procedures for the simultaneous voltammetric determination of total Hg(II) in presence of Cu(II) in environmental matrices |
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| Authors: | Dora Melucci Simona Montalbani and Clinio Locatelli |
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| Institution: | (1) Department of Chemistry, G. Ciamician, University of Bologna, Via F. Selmi 2, 40126 Bologna, Italy;(2) CIRSA (Centro Interdipartimentale di Ricerca per le Scienze Ambientali – Interdepartment Centre for Research in Environmental Sciences), Laboratory of Environmental Analytical Chemistry, University of Bologna, Via S. Alberto 163, 48100 Ravenna, Italy |
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| Abstract: | The present work reports the critical comparison about the employment of three different supporting electrolytes (0.1 mol
L−1 HClO4, 0.01 mol L−1 EDTA-Na2 + 0.06 mol L−1 NaCl + 2.0 mol L−1 HClO4 and 0.1 mol L−1 KSCN + 0.001 mol L−1 HClO4) and their instrumental and chemical optimisation for the simultaneous voltammetric determination of total mercury(II) and
copper(II) in sediments and sea water at gold electrode, especially discussing the reciprocal interference problems. |
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