Laureano-Perez, L.
, Fitzgerald, R.
and Colle, R.
(2013),
Standardization of 237Np, Applied Radiation and Isotopes, [online], https://doi.org/10.1016/j.apradiso.2013.11.074
(Accessed May 15, 2025)
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Standardization of 237Np
Published
Author(s)
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Abstract
The standardization of 237Np was investigated. The certified massic activity for 237Np was obtained by 4 liquid scintillation (LS) counting with correction for the 233Pa daughter using the CIEMAT/NIST efficiency tracing method using a 3H standard. Confirmatory measurements were also performed by high-resolution HPGe gamma-ray spectrometry, and by 4(LS) - (NaI) anticoincidence counting. All results agree within the respective methods uncertainties It was confirmed that the 237Np/233Pa radioactive equilibrium is disturbed when making dilutions and/or removing aliquotsCitation
Applied Radiation and Isotopes
Volume
87
Pub Type
Journals
Download Paper
Keywords
anticoincidence counting, beta counting, CIEMAT/NIST method, efficiency tracing, liquid scintillation (LS), neptunium-237, radioactivity, SRM, standards
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Created December 4, 2013, Updated November 10, 2018