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Elimination of interferences from Cu, Pb, Ag, Au, Pt, Pd and Se in the determination of mercury by CVAAS using sodium tetrahydroborate(III) reduction in copper concentrates

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Abstract

The determination of mercury in the presence of Cu, Pb, Ag, Au, Pt, Pd, Se and As by cold vapor atomic absorption spectrometry was studied. Sodium tetrahydroborate(III) was used as a reducing agent. All the elements examined except arsenic exhibited strong interferences. A solution of 1,10-phenanthroline and thiosemicarbazide in 1.5% HCl solution was used as a masking agent. A highly effective reduction of interference by Cu, Ag, Au, Pt, Pd and Se was achieved. The results obtained were applied to the determination of mercury in a copper concentrate.

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Authors and Affiliations

  1. Institute of Non-Ferrous Metals, Department of Analytical and General Chemistry, Silesian Technical University, Kuczewskiego 9, PL-44-101, Gliwice, Poland

    Ewa Szmyd & Irena Baranowska

Authors
  1. Ewa Szmyd
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  2. Irena Baranowska
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Szmyd, E., Baranowska, I. Elimination of interferences from Cu, Pb, Ag, Au, Pt, Pd and Se in the determination of mercury by CVAAS using sodium tetrahydroborate(III) reduction in copper concentrates. Fresenius J Anal Chem 350, 178–180 (1994). https://doi.org/10.1007/BF00323183

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  • DOI: https://doi.org/10.1007/BF00323183

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