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Standardization of solvent extraction procedure for determination of uranium in seawater

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Abstract

Solvent extraction procedure using ammonium pyrolidine dithiocarbamate complexing agent in methyl isobutyl ketone organic phase and acid exchange back-extraction is described for the simultaneous quantitative pre-concentration of uranium in seawater followed by its determination by differential pulse adsorptive stripping voltammetry. Solvent extraction time is optimized for extraction of uranium from seawater. Solvent extraction efficiency for uranium in seawater at different pH was carried out. The method gives a recovery of 98 ± 2 % for 400 mL sample at pH 3.0 ± 0.02, facilitating the rapid and interference free analysis of seawater samples.

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Authors and Affiliations

  1. Environmental Monitoring and Assessment Section, Bhabha Atomic Research Centre, Trombay, 85, Mumbai, India

    Sukanta Maity, S. K. Sahu & G. G. Pandit

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  1. Sukanta Maity
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  2. S. K. Sahu
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  3. G. G. Pandit
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Correspondence to G. G. Pandit.

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Maity, S., Sahu, S.K. & Pandit, G.G. Standardization of solvent extraction procedure for determination of uranium in seawater. J Radioanal Nucl Chem 303, 33–37 (2015). https://doi.org/10.1007/s10967-014-3410-9

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  • DOI: https://doi.org/10.1007/s10967-014-3410-9

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