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Determination of traces of uranium in sea water after separation by froth flotation

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Summary

Uranium in sea water is separated by froth flotation of the uranium(VI)-Arsenazo III-Zephiramine ion-adduct and then determined by neutron activation or spectrophotometric method using the uranium(IV)-Arsenazo III complex. Results of the analysis of Pacific coastal samples by the two methods are in good agreement; an average value of 3.0μg U per liter was obtained.

Zusammenfassung

Durch Schaumflotation läßt sich Uran aus Meerwasser in Form des Ionenadduktes U(VI)-Arsenazo III-Zephiramin abtrennen und dann durch Neutronenaktivierung oder spektrophotometrisch als U(IV)-Arsenazo III-Komplex bestimmen. Analysenergebnisse für Proben von der Pazific-Küste stimmen bei beiden Methoden gut überein. Als Durchschnittsergebnis wurden 3,0μg U/Liter gefunden.

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Authors and Affiliations

  1. Analytical Chemistry Laboratory, Division of Chemistry, Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki-ken, Japan

    Keiichi Sekine

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  1. Keiichi Sekine
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Sekine, K. Determination of traces of uranium in sea water after separation by froth flotation. Mikrochim Acta 63, 313–319 (1975). https://doi.org/10.1007/BF01217659

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  • DOI: https://doi.org/10.1007/BF01217659

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