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Mechanism of a secondary reaction during the coulometric determination of uranium in a mixture with iron

Mechanismus einer sekundären Reaktion bei der coulometrischen Uranbestinunung neben Eisen

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Zusammenfassung

Der Mechanismus einer sekundären photochemischen Reaktion zwischen Eisen und Uran bei der coulometrischen Uranbestimmung wurde aufgeklärt. Diese Reaktion führte zu Minderbefunden bei Uran. Geeignete Arbeitsbedingungen werden angegeben, die zuverlässige Ergebnisse gewährleisten.

Summary

The mechanism of a photochemical secondary reaction which takes place between iron and uranium during the coulometric determination of uranium is explained. As a result of this interfering effect lower uranium values are found. The appropriate working conditions to obtain reliable uranium measurements are indicated.

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References

  1. A.S.T.M. Method E-217-70, Annual Book of ASTM Standards 45, 635 (1974)

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  2. Bohil, D. R., Sellers, D. E.: Mound Laboratory Report, MLM 1543, Sept. 1968

  3. Le Duigou, Y., Leidert, W.: Fresenius Z. Anal. Chem. 278, 29 (1976)

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Authors and Affiliations

  1. Central Bureau for Nuclear Measurements, B-2440, Geel, Belgium

    Y. Le Duigou & W. Leidert

Authors
  1. Y. Le Duigou
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  2. W. Leidert
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Additional information

We wish to thank Mr. H. L. Eschbach and Mr. V. Verdingh for their helpful comments when drafting this paper.

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Le Duigou, Y., Leidert, W. Mechanism of a secondary reaction during the coulometric determination of uranium in a mixture with iron. Z. Anal. Chem. 289, 279–281 (1978). https://doi.org/10.1007/BF00440211

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  • DOI: https://doi.org/10.1007/BF00440211

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