The use of k0-NAA for the determination of the n(235U)/n(238U) isotopic ratio in samples containing uranium

Research output: Contribution to journalArticle

Standard

The use of k0-NAA for the determination of the n(235U)/n(238U) isotopic ratio in samples containing uranium. / Farina, Fulvio; Vermaercke, Peter; Sneyers, Liesel; Soares Leal, Alexander; Goncalves Boucas, Janaina; Verheyen, Leen (Peer reviewer).

In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 622, No. 2, 11.10.2010, p. 443-448.

Research output: Contribution to journalArticle

Harvard

Farina, F, Vermaercke, P, Sneyers, L, Soares Leal, A, Goncalves Boucas, J & Verheyen, L 2010, 'The use of k0-NAA for the determination of the n(235U)/n(238U) isotopic ratio in samples containing uranium', Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 622, no. 2, pp. 443-448. https://doi.org/10.1016/j.nima.2009.12.069

APA

Farina, F., Vermaercke, P., Sneyers, L., Soares Leal, A., Goncalves Boucas, J., & Verheyen, L. (2010). The use of k0-NAA for the determination of the n(235U)/n(238U) isotopic ratio in samples containing uranium. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 622(2), 443-448. https://doi.org/10.1016/j.nima.2009.12.069

Vancouver

Farina F, Vermaercke P, Sneyers L, Soares Leal A, Goncalves Boucas J, Verheyen L. The use of k0-NAA for the determination of the n(235U)/n(238U) isotopic ratio in samples containing uranium. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2010 Oct 11;622(2):443-448. https://doi.org/10.1016/j.nima.2009.12.069

Author

Farina, Fulvio ; Vermaercke, Peter ; Sneyers, Liesel ; Soares Leal, Alexander ; Goncalves Boucas, Janaina ; Verheyen, Leen. / The use of k0-NAA for the determination of the n(235U)/n(238U) isotopic ratio in samples containing uranium. In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2010 ; Vol. 622, No. 2. pp. 443-448.

Bibtex - Download

@article{f42478db1e3f45deb9ea4acddf0cdf4b,
title = "The use of k0-NAA for the determination of the n(235U)/n(238U) isotopic ratio in samples containing uranium",
abstract = "In the analysis of rare earth elements in samples containing uranium by k0-neutron activation analysis fission of 235U was considere an undesired phenomenon until the fission k0-factors were introduced to account for natural-U fission interferences. In this work, by using a reverse perspective of the problem, the observed 235U-fission and 238U activation products (along with the k0-factors) were used to obtain information about the uranium isotopic ratio in samples. The relevant formulae and data-filtering algortihm were implemented in a home-made computer software, allowing automated evaluation and selection of unbiased data. Two radioisotopes (131I and 140La) were demonstrated to be reliable candidates for n(235U)/n(238U) determination in enviromental samples. The accuracy of this method was determined using several isotopic standards varying from a depleted to a highly enriched 235U content. And overal 2.31 {\%} overestimation of the isotopic ratio was observed (within 95{\%} confidence level).",
keywords = "Uranium, Neutron Activation Analysis",
author = "Fulvio Farina and Peter Vermaercke and Liesel Sneyers and {Soares Leal}, Alexander and {Goncalves Boucas}, Janaina and Leen Verheyen",
note = "Score = 10",
year = "2010",
month = "10",
day = "11",
doi = "10.1016/j.nima.2009.12.069",
language = "English",
volume = "622",
pages = "443--448",
journal = "Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment",
issn = "0168-9002",
publisher = "Elsevier",
number = "2",

}

RIS - Download

TY - JOUR

T1 - The use of k0-NAA for the determination of the n(235U)/n(238U) isotopic ratio in samples containing uranium

AU - Farina, Fulvio

AU - Vermaercke, Peter

AU - Sneyers, Liesel

AU - Soares Leal, Alexander

AU - Goncalves Boucas, Janaina

A2 - Verheyen, Leen

N1 - Score = 10

PY - 2010/10/11

Y1 - 2010/10/11

N2 - In the analysis of rare earth elements in samples containing uranium by k0-neutron activation analysis fission of 235U was considere an undesired phenomenon until the fission k0-factors were introduced to account for natural-U fission interferences. In this work, by using a reverse perspective of the problem, the observed 235U-fission and 238U activation products (along with the k0-factors) were used to obtain information about the uranium isotopic ratio in samples. The relevant formulae and data-filtering algortihm were implemented in a home-made computer software, allowing automated evaluation and selection of unbiased data. Two radioisotopes (131I and 140La) were demonstrated to be reliable candidates for n(235U)/n(238U) determination in enviromental samples. The accuracy of this method was determined using several isotopic standards varying from a depleted to a highly enriched 235U content. And overal 2.31 % overestimation of the isotopic ratio was observed (within 95% confidence level).

AB - In the analysis of rare earth elements in samples containing uranium by k0-neutron activation analysis fission of 235U was considere an undesired phenomenon until the fission k0-factors were introduced to account for natural-U fission interferences. In this work, by using a reverse perspective of the problem, the observed 235U-fission and 238U activation products (along with the k0-factors) were used to obtain information about the uranium isotopic ratio in samples. The relevant formulae and data-filtering algortihm were implemented in a home-made computer software, allowing automated evaluation and selection of unbiased data. Two radioisotopes (131I and 140La) were demonstrated to be reliable candidates for n(235U)/n(238U) determination in enviromental samples. The accuracy of this method was determined using several isotopic standards varying from a depleted to a highly enriched 235U content. And overal 2.31 % overestimation of the isotopic ratio was observed (within 95% confidence level).

KW - Uranium

KW - Neutron Activation Analysis

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_108021

UR - http://knowledgecentre.sckcen.be/so2/bibref/7660

U2 - 10.1016/j.nima.2009.12.069

DO - 10.1016/j.nima.2009.12.069

M3 - Article

VL - 622

SP - 443

EP - 448

JO - Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

SN - 0168-9002

IS - 2

ER -

ID: 153537