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Determination of trace elements by neutron activation analysis using dinonylnaphthalene sulfonic acid as a preconcentrating agent

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Abstract

Dinonylnaphthalene sulfonic acid (HD) has been used as a preconcentrating agent to enrich trace metal ions and to separate the interfering elements such as Na, K, Cl and Br which normally exist in the natural aqueous systems. Experiments were performed by extracting the ions in the aqueous medium with HD in n-hexane and subsequently back-extracted into a minimal volume of acid solution. Factors influencing the extraction efficiency of the ions of interest were investigated. The preconcentration technique developed in this study was applied to the determination of trace elements in biological and natural water samples by neutron activation analysis.

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Author notes

  1. M. H. Yang

    Present address: Institut für Werkstoffwissenschaften, Laboratorium für Reinstoffe, Schwäbisch Gmüd, Max-Planck-Institut für Metallforschung Stuttgart, FRG

Authors and Affiliations

  1. Institute of Nuclear Science, National Tsing Hwa University, 300, Hsinchu, Taiwan Republic of China

    M. H. Yang, P. Y. Chen, C. L. Tseng, S. J. Yeh & P. S. Weng

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  1. M. H. Yang
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  2. P. Y. Chen
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  3. C. L. Tseng
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  4. S. J. Yeh
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  5. P. S. Weng
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Yang, M.H., Chen, P.Y., Tseng, C.L. et al. Determination of trace elements by neutron activation analysis using dinonylnaphthalene sulfonic acid as a preconcentrating agent. J. Radioanal. Chem. 37, 801–811 (1977). https://doi.org/10.1007/BF02519391

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  • DOI: https://doi.org/10.1007/BF02519391

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