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Preconcentration of metal dithiocarbamate complexes on C18-bonded silica gel for neutron activation analysis

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Abstract

At pH 2, Au, Pd, Pt, U and W form stable pyrrolidine-carbodithioate (PCDT) complexes which can be quantitatively retained by C18-bonded silica gel. Simultaneous determination of the adsorbed metal complexes can be achieved by instrumental neutron activation analysis (INAA). This method allows the determination of Au, Pd, U, and W in natural waters at ng/l levels. For Pt and W, the adsopriton method has an advantage over the solvent extraction technique which generally results in a partial recovery of the PCDT complexes.

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Authors and Affiliations

  1. Department of Chemistry, University of Idaho, 83843, Moscow, ID, USA

    N. K. Shah & C. M. Wai

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  1. N. K. Shah
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  2. C. M. Wai
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Shah, N.K., Wai, C.M. Preconcentration of metal dithiocarbamate complexes on C18-bonded silica gel for neutron activation analysis. Journal of Radioanalytical and Nuclear Chemistry, Articles 130, 451–459 (1989). https://doi.org/10.1007/BF02041364

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  • DOI: https://doi.org/10.1007/BF02041364

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