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Determination of237Np in spent fuel by use of inherent239Np as a chemical yield monitor

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Abstract

A method for analyzing the content of237Np in spent fuel has been developed using inherent239Np as a chemical yield monitor. After ion-exchange separations for the dissolved fuel solution, the237Np content in the neptunium fraction was determined from the activity of237Np or of233Pa, which is in radioactive equilibrium with237Np. The chemical yield in the separations was determined both from the content of243Am which is in radioactive equilibrium with239Np before the separations and from the239Np content in the neptunium fraction after the separations by alpha- and gamma-ray spectrometry.

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Shinohara, N., Kohno, N., Suzuki, T. et al. Determination of237Np in spent fuel by use of inherent239Np as a chemical yield monitor. Journal of Radioanalytical and Nuclear Chemistry, Articles 130, 3–12 (1989). https://doi.org/10.1007/BF02037695

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  • DOI: https://doi.org/10.1007/BF02037695

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