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Determination of selenium(IV) and selenium(VI) in natural water samples by neutron activation analysis after chemical pre-collection

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Abstract

Neutron activation analysis using shortlived77mSe (T=17.5 s) preceded by chemical pre-collection of Se on activated carbon (AC) has been applied to the fractional determination of Se(IV) and Se(VI) in natural water samples such as river water and sea water. Two chemical procedures were adopted: adsorption of Se(IV)/Bismuthiol-II complex on AC and adsorption of Se(VI)/Bismuthiol-II on AC after reduction of Se(VI) to Se(IV). It was shown that Se(IV) and Se(VI) can be determined at a <μg l−1 (ppb) level in natural waters by the present method.

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References and Note

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Authors and Affiliations

  1. Department of Chemistry, Daido Institute of Technology, Hakusui-cho, Minami-ku, 457, Nagoya, Japan

    Y. Sakai & K. Ohshita

  2. Institute for Atomic Energy, Rikkyo University, Nagasaka, 240-01, Yokosuka, Japan

    K. Tomura

Authors
  1. Y. Sakai
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  2. K. Tomura
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  3. K. Ohshita
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Sakai, Y., Tomura, K. & Ohshita, K. Determination of selenium(IV) and selenium(VI) in natural water samples by neutron activation analysis after chemical pre-collection. Journal of Radioanalytical and Nuclear Chemistry Letters 187, 441–450 (1994). https://doi.org/10.1007/BF02165774

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  • DOI: https://doi.org/10.1007/BF02165774

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